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- 1. Multiple Choice
Which is not a force?
friction
momentum
normal
weight
- 2. Multiple Choice
You push on a box and are unable to move it. What force opposes your push?
static friction
rolling friction
sliding friction
air resistance
- 3. Multiple Choice
Air resistance depends on
the velocity of a moving object
the weight of a moving object
the mass of a moving object
the inertia of a moving object
- 4. Multiple Choice
What force besides gravity acts on a projectile (an object in projectile (2D) motion)?
weak nuclear
electrical
magnetic
air resistance
- 5. Multiple Choice
Newton's first law of motion is sometimes called the law of
inertia
conservation
momentum
resistance
- 6. Multiple Choice
A change in which of the following affects the weight of an object?
momentum
velocity
mass
friction
- 7. Multiple Choice
Which represents Newton's second law?
- 8. Multiple Choice
For every action force there is a
reaction force
net force
friction force
unbalanced force
- 9. Multiple Choice
Momentum (p) depends on
force only
velocity and friction
weight and mass
mass and velocity
- 10. Multiple Choice
What force holds the nucleus together?
magnetic force
strong nuclear force
gravitational force
centripetal force
- 11. Fill in the Blank
What is required for an object to start moving, stop moving, speed up, slow down, or change directions?
- 12. Fill in the Blank
The sum of all the forces acting on an object.
- 13. Multiple Choice
Unbalanced forces acting on an object cause the object to
move
stop
accelerate
stay at rest
- 14. Multiple Choice
A 10-N falling object encounters 10-N of air resistance. The net force on the object is...
0 N
4 N
6 N
10 N
- 15. Multiple Choice
When the net force on an object is zero, the acceleration of the object is
constant
zero
less than zero
more than zero
- 16. Multiple Choice
100 N
9.8 N
98 N
980 N
- 17. Multiple Choice
A baseball bat exerts a force of 1000 N on a baseball. The force that the ball exerts on the bat is
less than 1000 N
more than 1000 N
exactly 1000 N
0 N
- 18. Fill in the Blank
Newton's third law states that action-reaction forces are equal in magnitude and _____ in direction.
- 19. Multiple Choice
What is the momentum of a golf ball if it weighs 0.05 kg and is moving at a velocity of 60 m/s?
- 20. Multiple Choice
A powerful force of attraction that acts only on the neutrons and protons in the nucleus of an atom, holding them together.
strong nuclear force
weak nuclear
force
gravitational
force
electromagnetic force
- 21. Multiple Choice
Which is the weakest universal force?
gravitational
force
strong nuclear force
weak nuclear
force
electromagnetic force
- 22. Fill in the Blank
Which universal force can repel as well as attract?
- 23. Fill in the Blank
- 24. Multiple Choice
States that if no net force acts on a system, then the total momentum of the system does not change.
law of conservation of mass
law of conservation of energy
law of conservation of momentum
law of conservation of velocity
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