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- 1. Multiple Choice
Which of the following is not an example of a vector?
velocity
force
displacement
speed
- 2. Multiple Choice
A force is required to change the velocity
of an object.
True
False
- 3. Multiple Choice
The maximum amount of static friction between a piece of furniture and the floor is 500 N. Which of the following actions would cause the furniture to remain unmoved? Select all that apply.
Pushing on the chair with 600 N of force to the chair from the right
Pushing on the chair with 450 N of force to the chair from the right
Pushing on the chair with 450 N of force to the chair from the right
Pushing on the chair with 600 N of force to the chair from the left
- 4. Multiple Choice
A train traveling at a constant speed of 75 mph can be experiencing balanced forces.
True
False
- 5. Multiple Choice
A basketball will eventually roll to a stop on a court because
it encounters friction with air molecules.
the court applies an unbalanced force that slows it down.
it encounters rolling friction.
friction works in the direction opposite of the basketball's motion.
- 6. Multiple Choice
A car slowing to a stop is not accelerating.
True
False
- 7. Multiple Choice
Which of the following is not an example of kinetic friction?
rolling friction
sliding friction
static friction
fluid friction
- 8. Multiple Choice
For friction to increase, the objects must be pushed together with less force.
True
Not true
- 9. Multiple Choice
Objects like a motorcycle that move on wheels experience
rolling friction.
sliding friction.
static friction.
fluid friction.
- 10. Multiple Choice
There is usually less friction involved with rolling friction compared to sliding friction.
True
Not even close to being true.
- 11. Multiple Choice
Objects that slide on the surface of other objects experience
Static friction
Sliding friction
Rolling friction
Fluid friction
- 12. Multiple Choice
A stationary object will accelerate
if you push on it with a force
that is equal to the friction force.
True
Very far from true.
- 13. Multiple Choice
A piece of paper that falls down slowly to the ground experiences
Rolling friction
Sliding friction
Fluid friction
No friction at all
- 14. Multiple Choice
A fluid is a liquid or a solid, but not a gas.
True
No way
- 15. Multiple Choice
A scooter is moving to the left. Select the answer below that best describes the friction force.
Rolling friction to the left
Fluid friction to the left
Sliding friction to the right
Rolling friction to the right
- 16. Multiple Choice
Friction is a force that requires contact between objects or substances.
You betcha.
False
- 17. Multiple Choice
What does the force of friction depends upon?
how elastic the substances are.
how hard the surfaces push together.
the types of surfaces involved.
the distance between the objects.
- 18. Multiple Choice
Friction forces are always balanced forces. Select all that apply.
True
False
No way
Not a chance
- 19. Multiple Choice
Air resistance is a type of fluid friction.
True
False
- 20. Multiple Choice
If a plane is going straight through the air at a constant speed 375 mph then
the plane is experiencing unbalanced forces due to air resistance.
the plane is experiencing balanced forces.
the plane is experiencing unbalanced forces due to rolling friction.
he plane is experiencing balanced forces due to static friction.
- 21. Multiple Choice
In the investigating friction lab, we changed the surfaces to see how that affected friction. What other factor affects the force of friction?
The speed that you pull the block.
Using just the blue felt fabric.
How hard the block presses against the surface.
Using a different spring scale.
- 22. Multiple Choice
For every action, there is an equal and opposite reaction.
Newton's first law
Newton's second law
Newton's third law
- 23. Multiple Choice
Acceleration depends on the net force and the mass
Newton's first law
Newton's second law
Newton's third law
- 24. Multiple Choice
Objects will keep doing what they are already doing unless acted upon by an unbalanced force.
Newton's first law
Newton's second law
Newton's third law
- 25. Multiple Choice
Which of the following is an example of a vector?
friction force
speed
distance
time
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