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- 1. Multiple Choice
An object's change in position relative to a reference point is called
enertia.
motion.
speed.
- 2. Multiple Choice
The distance traveled divided by the time in which the motion occurred is called
speed.
motion.
velocity.
- 3. Multiple Choice
Mark drives to his friends house 200 miles in 4 hours. What is Mark's speed?
800 mph
20 mph
50 mph
- 4. Multiple Choice
The speed of an object in a particular direction is called
motion.
inertia.
velocity.
- 5. Multiple Choice
Acceleration is the rate at which velocity changes.
True
False
- 6. Multiple Choice
A push, pull or twist is the definition for
motion.
friction.
force.
- 7. Multiple Choice
The S.I. unit for force is the
pound.
newton.
km.
- 8. Multiple Choice
Combining all forces acting on an object is called
acceleration.
inertia.
net force.
- 9. Multiple Choice
If Bob pushes a box north with 40 N of force and Bill helps by pulling the box north with 20 N of force, what is the net force acting on the box?
20 N
60 N
- 10. Multiple Choice
If forces are in the same direction you add all forces together and if they are in opposite directions you will subtract the smaller force from the larger force.
True
False
- 11. Multiple Choice
What type of forces cause objects to move?
balanced forces
unbalanced forces
- 12. Multiple Choice
A force that opposes motion between two surfaces that are in contact with each other?
friction
inertia
gravity
- 13. Multiple Choice
Which of the following would have the best friction?
ice covered road
gravel road
asphalt road
- 14. Multiple Choice
Which of the following is NOT a way to reduce friction?
sanding
grease or oil
increasing the texture
- 15. Multiple Choice
A substance that is applied to a surface to reduce the friction between the surfaces of 2 objects is called
inertia.
fasteners.
lubricants.
- 16. Multiple Choice
A force of attraction between objects that is due to their masses.
friction
electromagnetic
gravity
- 17. Multiple Choice
Gravitational attraction between 2 objects decrease as the
objects distance from each other increases.
objects distance from each other decreases.
objects distance from each other stays the same.
- 18. Multiple Choice
Gravitational force increases as mass increases.
True
False
- 19. Multiple Choice
A measure of the gravitation force exerted on an object?
mass
weight
- 20. Multiple Choice
A measure of the amount of matter in an object?
mass
weight
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