6 Simple Machines

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| By Jmroberts8
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Simple Machine Quizzes & Trivia

Machines are used all around us every day, they help to make work easier and reduce the amount of people needed to get a job done. When handling a machine one should take care not to harm themselves. Can you identify which simple machines are appropriate for the jobs below? All the best!


Questions and Answers
  • 1. 

    A sloping surface that alters the force required to move the load in a perpendicular direction.

    • A.

      Wedge

    • B.

      Inclined Plane

    • C.

      Wheel and Axle

    • D.

      Pulley

    • E.

      Screw

    Correct Answer
    B. Inclined Plane
    Explanation
    An inclined plane is a sloping surface that reduces the amount of force required to move a load in a perpendicular direction. By increasing the distance over which the load is moved, the inclined plane allows for a smaller force to be exerted over a longer distance, making it easier to move heavy objects. This principle is commonly used in ramps, stairs, and even some machines like escalators and wheelchair ramps.

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  • 2. 

    This machine converts motion in one direction into a splitting motion acting at right angles.

    • A.

      Screw

    • B.

      Lever

    • C.

      Wedge

    • D.

      Pulley

    • E.

      Wheel and Axle

    Correct Answer
    C. Wedge
    Explanation
    A wedge is a simple machine that can convert motion in one direction into a splitting motion acting at right angles. It is a triangular-shaped tool with a sharp edge that is used to separate or split objects by applying force to the wide end. When the wedge is pushed or driven into a material, the force applied causes the material to split apart in a perpendicular direction. This makes the wedge an effective tool for tasks such as cutting, splitting, or separating objects.

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  • 3. 

    An inclined plane wrapped around a cylinder.

    • A.

      Inclined Plane

    • B.

      Screw

    • C.

      Wedge

    • D.

      Pulley

    • E.

      Rack and Pinion

    Correct Answer
    B. Screw
    Explanation
    A screw is a simple machine that consists of an inclined plane wrapped around a cylinder. It is used to convert rotational motion into linear motion or vice versa. The inclined plane of the screw allows it to exert a large amount of force over a small distance, making it useful for applications such as lifting heavy objects or holding materials together. The spiral shape of the screw allows it to move smoothly and efficiently, making it a versatile and effective tool.

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  • 4. 

    An arm that pivots on a point called a fulcrum.

    • A.

      Lever

    • B.

      Screw

    • C.

      Pulley

    • D.

      Inclined Plane

    • E.

      Bevel Gear

    Correct Answer
    A. Lever
    Explanation
    A lever is a simple machine that consists of a rigid arm pivoting on a fulcrum. It allows for the amplification of force or the transmission of motion. By applying force on one end of the lever, the other end can exert a greater force or move a larger distance. This makes it a useful tool for lifting heavy objects or moving loads with less effort.

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  • 5. 

    A rotating lever that moves around the fulcrum.

    • A.

      Pulley

    • B.

      Lever

    • C.

      Screw

    • D.

      Wheel and Axle

    • E.

      Wedge

    Correct Answer
    D. Wheel and Axle
    Explanation
    A wheel and axle is a simple machine that consists of a circular wheel attached to a rod or axle. When the wheel is rotated around the axle, it allows for the movement of objects with less force. This explanation fits the given description of a rotating lever that moves around a fulcrum. A pulley involves a rope or chain, a screw is a threaded inclined plane, and a wedge is a triangular-shaped object. Therefore, the most appropriate answer is wheel and axle.

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  • 6. 

    When a rope or cable is wrapped over a grooved wheel it is called a:

    • A.

      Lever

    • B.

      Wheel and Axle

    • C.

      Pulley

    • D.

      Machine

    • E.

      Screw

    Correct Answer
    C. Pulley
    Explanation
    A pulley is a simple machine that consists of a grooved wheel with a rope or cable wrapped around it. When force is applied to one end of the rope, it causes the wheel to rotate, allowing for the lifting or moving of heavy objects. Pulleys are commonly used in various applications, such as elevators, cranes, and flagpoles, to make tasks easier by providing mechanical advantage.

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  • 7. 

    Lifting a wheelbarrow best illustrates the use of which simple machine?

    • A.

      Lever

    • B.

      Wedge

    • C.

      Pulley

    • D.

      Screw

    Correct Answer
    A. Lever
    Explanation
    Lifting a wheelbarrow best illustrates the use of a lever because a lever is a simple machine that consists of a rigid bar that pivots on a fixed point called a fulcrum. In the case of a wheelbarrow, the handles act as the lever, the wheelbarrow itself acts as the load, and the wheel acts as the fulcrum. By applying a downward force on the handles, the user can lift the load (the wheelbarrow) with less effort, taking advantage of the mechanical advantage provided by the lever.

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  • 8. 

    The use of a door stop best illustrates the use of which simple machine?

    • A.

      Lever

    • B.

      Screw

    • C.

      Wheel and Axle

    • D.

      Wedge

    Correct Answer
    D. Wedge
    Explanation
    A door stop is a small, triangular-shaped object that is used to hold a door in place. It is designed in a way that when it is placed under the door, the wedge shape helps to prevent the door from moving. This demonstrates the use of a wedge as a simple machine. A wedge is a simple machine that consists of two inclined planes placed back to back, which allows it to exert a large amount of force over a small distance. In the case of the door stop, the wedge shape allows it to hold the door firmly in place by using the principle of mechanical advantage.

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  • 9. 

    The ramp on a moving truck best illustrates which type of simple machine?

    • A.

      Lever

    • B.

      Inclined Plane

    • C.

      Screw

    • D.

      Pulley

    Correct Answer
    B. Inclined Plane
    Explanation
    The ramp on a moving truck is an example of an inclined plane. An inclined plane is a simple machine that allows objects to be moved from a lower height to a higher height with less force. In this case, the ramp allows for easier loading and unloading of heavy objects onto the truck. By using the inclined plane, the force required to lift the objects vertically is reduced, making it more efficient and easier to transport them.

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  • 10. 

    A rope wrapped over a grooved wheel to pull a bucket of water from a well best illustrates which simple machine? 

    • A.

      Wheel and Axle

    • B.

      Screw

    • C.

      Wedge

    • D.

      Pulley

    Correct Answer
    D. Pulley
    Explanation
    A pulley is a simple machine that consists of a wheel with a groove, which a rope or cable can be wrapped around. By pulling on one end of the rope, the wheel rotates and allows the bucket of water to be lifted from the well. This action demonstrates the use of a pulley to create a mechanical advantage and make the task of lifting the bucket easier. Therefore, the correct answer is pulley.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 22, 2010
    Quiz Created by
    Jmroberts8
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