Physical Science Machines And Energy
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Physical Science Quiz
- 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......
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