Physical Science Machines And Energy

22 Questions | By Cheer24banana | Updated: Mar 21, 2022 | Attempts: 81

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Physical Science Quiz

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1.

Speed is the rate at which an object_______
2.

What is Velocity?
- A.
  
  Spped
- B.
  
  Speed in a given direction
- C.
  
  Speed in a given distance
- D.
  
  Direction in a given speed
3.

The rate of_______in ___________ is Acceleration
4.

All moving objects have________-
- A.
  
  Momentum
- B.
  
  Mass
- C.
  
  Velocity
5.

A force is a________
6.

The first law of motion is also called.....
7.

The first law of motion states...
- A.
  
  That an object at rest will remain at rest and an object in motion will remain in motion at constant velocity untill acted upon by an unbalenced force.
- B.
  
  Shows how force, mass, and acceleration are related.
- C.
  
  That for every action, there is an equal and opposite reaction.
8.

The second law of motion states......
- A.
  
  That for every action, there is an equal and opposite reaction.
- B.
  
  That an object at rest will remain at rest and an object in motion will remain in motion at constant velocity untill acted upon by an unbalenced force.
- C.
  
  Shows how force, mass, and acceleration are related.
9.

The third law of motion states.....
- A.
  
  That an object at rest will remain at rest and an object in motion will remain in motion at constant velocity untill acted upon by an unbalenced force.
- B.
  
  Shows how force, mass, and acceleration are related.
- C.
  
  That for every action, there is an equal and opposite reaction.
10.

Gravity equals.......
- A.
  
  9.8 meters per second squared
- B.
  
  8.8 meters per second squared
- C.
  
  9.8 meters per secong cubed
- D.
  
  1000000000000000000000000000000000000mps
11.

Weight is a measure of the___________
12.

The "Push" or force particles exert over a certain area is called___
13.

Power is the rate at which work is_________
14.

Describe what work input is and what work output is? How are they different?
15.

An instrumenthat makes work easier is called a______
16.

The comparison of work output to work input is called the_______
17.

How many types of simple machines are there?
- A.
  
  5
- B.
  
  6
- C.
  
  7
- D.
  
  8
- E.
  
  9
18.

The machines are_____
- A.
  
  The wedge, the screw, the lever, the pulley, the wheel and axle ,and the inclined plane.
- B.
  
  The wheel, the saw, the axle, the simple machine, the lever, the pulley
- C.
  
  The pulley, the wheel and axle, the screw, the lever, the inclined plane, the ax
19.

How many forms of enegy are there?
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  5
- E.
  
  6
20.

Which are the forms of energy?
- A.
  
  Mechanical Energy
- B.
  
  Heat Energy and Chemical Energy
- C.
  
  Electromagnetic Energy
- D.
  
  Nuclear Energy
- E.
  
  All of the above
21.

Kinetic Energy is energy in____________ Potential energy is energy of_____________
22.

The law of conversion states......