# Test On Simple Machine: Trivia Quiz

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Shoffman
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Quizzes Created: 1 | Total Attempts: 721
Questions: 20 | Attempts: 721

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• 1.

### These two parts act as one simple machines. They roll and are found on cars, bikes, and wheelbarrows.

Explanation
The given explanation correctly identifies the two parts as a wheel and axle. These two parts work together as a simple machine, where the wheel rotates around the axle. This mechanism allows for efficient movement and is commonly found in various modes of transportation such as cars, bikes, and wheelbarrows.

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• 2.

### A rope, a wheel with a groove in it, and a weight make up this simple machine. You can pull down on the rope to lift the weight.

Explanation
A pulley is a simple machine that consists of a wheel with a groove in it and a rope. By pulling down on the rope, you can lift the weight. The correct answer is "pulley" as it accurately describes the machine described in the question. "Pully" is not a correct spelling and does not have any meaning in this context.

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• 3.

### This simple machine can be used to lift a weight. It has a fulcrum, or pivot point, which can be located in the center, near the end or at the end of this simple machine.

Explanation
A lever is a simple machine that can be used to lift a weight. It has a fulcrum, or pivot point, which can be located in the center, near the end, or at the end of the lever. By applying force to one end of the lever, the weight on the other end can be lifted. The position of the fulcrum determines the mechanical advantage of the lever, with a center fulcrum providing equal force on both sides, a near end fulcrum providing more force on the weight side, and an end fulcrum providing more force on the force side.

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• 4.

### These simple machines are wheels with teeth on them that fit together when the simple machines are turned. These simple machines are used to increase or decrease turning power by changing their size.

Explanation
Gears are simple machines with teeth that interlock when turned. They are used to increase or decrease turning power by changing their size.

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• 5.

### This simple machine can be used to split things apart or hold a door open.

Explanation
A wedge is a simple machine that can be used to split things apart or hold a door open. It has a triangular shape with a sharp edge, allowing it to easily penetrate and separate objects. When a wedge is inserted between two objects and force is applied, it exerts pressure on the objects, causing them to move apart. This makes it useful for tasks such as splitting wood or holding a door open by inserting it under the door to prevent it from closing.

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• 6.

### Examples of this simple machine are used to hold things together. It is made up of an inclined plane wrapped around a cylinder.

Explanation
The correct answer is "screw". A screw is a simple machine that is used to hold things together. It is made up of an inclined plane wrapped around a cylinder. The screw has a spiral thread that allows it to be turned into a material, such as wood or metal, providing a secure hold. The term "scew" is likely a typo or misspelling of "screw".

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• 7.

### A heavy object could be rolled up this simple machine, instead of lifting it straight up. Using this simple machine can save effort, although the object must usually cover more distance if this simple machine is used.

Explanation
An inclined plane is a simple machine that is a flat surface set at an angle. It allows heavy objects to be rolled up or down the plane instead of being lifted straight up. By using an inclined plane, less force is required to move the object, saving effort. However, because the object must travel a longer distance along the inclined plane, more work is needed overall.

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• 8.

### Door on hinges is an example of what simple machine?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

F. Lever
Explanation
A door on hinges is an example of a lever because it rotates around a fixed point (the hinge) to open and close. The door handle acts as the effort force, the hinge acts as the fulcrum, and the weight of the door acts as the load. By applying a force to the handle, the door can be easily moved.

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• 9.

### Stairs are an example of what kind of simple machine? (Ignore the roller coaster)

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

A. Inclined plane
Explanation
Stairs can be considered as an example of an inclined plane. An inclined plane is a simple machine that consists of a flat surface that is tilted at an angle. It allows objects to be moved from a lower level to a higher level with less force required. Stairs provide a gradual slope, making it easier for individuals to climb up or descend down a height. Therefore, the correct answer is inclined plane.

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• 10.

### A light bulb is an example of what kind of simple machine?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

E. Screw
Explanation
A light bulb is an example of a screw because it has a threaded base that allows it to be twisted into a socket to secure it in place. Screws are a type of simple machine that convert rotational motion into linear motion, and they are commonly used to hold objects together or to create mechanical advantage. In the case of a light bulb, the screw design allows for easy installation and removal of the bulb.

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• 11.

### A crane is an example of what kind of simple machine?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

D. Pulley
Explanation
A pulley is a simple machine that consists of a wheel with a groove in which a rope or cable can run. It is used to change the direction or magnitude of a force. A crane typically uses multiple pulleys to lift heavy objects by applying a smaller force over a longer distance. Therefore, a crane is an example of a pulley as it utilizes this simple machine to perform its lifting function.

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• 12.

### A door knob is an example of what kind of simple machine?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

B. Wheel and axle
Explanation
A door knob is an example of a wheel and axle because it consists of a circular wheel (the knob) attached to a cylindrical axle (the mechanism inside the door). The wheel and axle simple machine is designed to rotate around the axle, making it easier to turn and open the door.

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• 13.

### An axe is an example of what kind of simple machine?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

C. Wedge
Explanation
An axe is an example of a wedge because it has a sharp, triangular-shaped blade that is used to split or cut objects by applying force to a small area. The shape of the wedge allows it to concentrate force and exert a greater amount of pressure, making it an efficient tool for tasks such as chopping wood.

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• 14.

### This is an example of a inclined plane

• A.

True

• B.

False

A. True
Explanation
This statement is true because an inclined plane is a simple machine that is a flat surface with one end higher than the other. It allows objects to be moved up or down with less force than if they were lifted straight up. In this case, the given statement implies that the situation or object being described is an example of an inclined plane.

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• 15.

### This is an example of an inclined plane?

• A.

True

• B.

False

A. True
Explanation
An inclined plane is a flat surface that is tilted or slanted, allowing objects to move up or down with less force than if they were on a flat surface. In this case, the question is asking if the given statement is an example of an inclined plane. The correct answer is "True" because the statement is indeed an example of an inclined plane.

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• 16.

### The jackhammer is an example of a pulley.

• A.

True

• B.

False

B. False
Explanation
The given statement is incorrect. The jackhammer is not an example of a pulley. A jackhammer is a power tool that uses a reciprocating motion to break up or drill into hard surfaces such as concrete or asphalt. It does not involve the use of a pulley system.

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• 17.

### The knife is an example of a(n)

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

C. Wedge
F. Lever
Explanation
A knife is an example of a wedge because it has a sharp, pointed edge that is used to split or cut through objects. The shape of the blade, tapering to a thin edge, allows for concentrated force to be applied, making it easier to penetrate materials. Additionally, a knife can also be considered a lever because it has a handle that acts as a fulcrum, allowing for the application of force to cut or slice.

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• 18.

### The scientist's hats are examples of gears.

• A.

True

• B.

False

A. True
Explanation
The statement suggests that the scientist's hats can be considered as examples of gears. This implies that the hats have some similarities or characteristics that are similar to gears. It is possible that the hats have a mechanism or design that resembles the functioning or structure of gears. Therefore, the correct answer is true.

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• 19.

### In this picture there is examples of what kind of simple machines?

• A.

Inclined plane

• B.

Wheel and axle

• C.

Wedge

• D.

Pulley

• E.

Screw

• F.

Lever

A. Inclined plane
B. Wheel and axle
D. Pulley
E. Screw
F. Lever
Explanation
The picture shows examples of several simple machines. An inclined plane is represented by the ramp-like structure, which allows objects to be moved up or down with less force. The wheel and axle is shown by the circular object with a rod through its center, which allows for the transfer of force and motion. A pulley is depicted by the wheel with a rope or cable wrapped around it, used to lift or lower objects. A screw is shown by the threaded object, which converts rotational motion into linear motion. Lastly, a lever is represented by the bar-like object used to pry or lift objects.

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• 20.

### The paint brush is an example of a lever.

• A.

True

• B.

False

A. True
Explanation
A lever is a simple machine that consists of a rigid bar or plank that rotates around a fixed point called a fulcrum. The paint brush can be considered as an example of a lever because it has a handle that acts as the rigid bar and the bristles act as the load or resistance. When pressure is applied to the handle, the bristles pivot around the fulcrum, allowing the user to easily control the movement and apply paint to a surface. Therefore, the statement "The paint brush is an example of a lever" is true.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Apr 04, 2011
Quiz Created by
Shoffman

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