Quiz Name: MOTION
Type: Multiple Choice
Instructions: Write your answers on a separate sheet of paper. Check your answers by clicking on “answer key” below the last question.
Question 1: Which term means "resistance to motion"?
pressure
inertia
friction
momentum
reference point
Question 2: Which occurs between two surfaces that touch but do not move in relation to each other?
static friction
sliding friction
rolling friction
fluid friction
inertia
Question 3: Which occurs between the surface of a wheel or other round object and another surface?
static friction
sliding friction
rolling friction
fluid friction
inertia
Question 4: Which occurs when one object or surface slides over another?
static friction
sliding friction
rolling friction
fluid friction
inertia
Question 5: Of which type of friction is the following an example? A dolphin swimming through the ocean.
static
sliding
rolling
fluid
There is no friction in this example.
Question 6: Which is the strongest friction?
static
sliding
rolling
fluid
Question 7: Which produces the most heat and wear on the surfaces involved?
static
sliding
rolling
fluid
Question 8: Which is NOT used to reduce friction?
lubricant
use of wheels
smooth/polish surface
cleats
Question 9: Friction keeps things from sliding or slipping.
True
False
Question 10: Friction is needed to start things moving.
True
False
Question 11: Friction is needed to slow things down or stop them.
True
False
Question 12: Which term means "resistance to change in an object's motion"?
pressure
inertia
friction
momentum
Question 13: Mass and inertia are exactly proportional.
True
False
Question 14: Because of inertia, objects at rest tend to stay at rest unless acted upon by an outside force.
True
False
Question 15: Because of inertia, objects in motion at constant velocity along a straight line path will maintain that motion unless acted upon by an outside force.
True
False
Question 16: We use seatbelts because of:
pressure
inertia
friction
momentum
Question 17: A loaded 18-wheeler tractor trailer has less inertia than a motorcycle.
True
False
Question 18: Which of Newton's Law of Motion shows the relationship between force, mass, and acceleration of moving objects.
First Law
Second Law
Third Law
Question 19: Which is equal to mass times velocity?
pressure
inertia
friction
momentum
Question 20: What force must be exerted on a bowling ball if it has a mass of 4 kg and accelerates at 12 m/square seconds?
3 N
8 N
16 N
48 N
48 kg m/s2
Question 21: What is the acceleration if an object is propelled with a force of 8 N and has a mass of 4 kg?
4 m/s2
2 m/s2
12 m/s2
4 N/kg
2 N/kg
Question 22: What is the mass of an object that is propelled with a force of 20 N and accelerates at a rate of 5 m/square seconds?
15 kg
25 kg
4 kg
4 N/m s2
15 N/m s2
Question 23: To increase the acceleration of an object, it must be propelled with a smaller force.
True
False
Question 24: To accelerate a massive object the same as a less massive object requires a greater force to be applied to the less massive object.
True
False
Question 25: To increase momentum, you should increase:
mass
velocity
mass and velocity
mass, velocity, or both
none of these
Question 26: Which of Newton's Laws of Motion states the following: For every action force, there is an equal and opposite reaction force.
First Law
Second Law
Third Law
None of these.
Question 27: What is the recoil velocity of a 0.75 kg gun when the
bullet it fires has a mass of 10 g and a velocity of 500 m/sec? (clue: both
masses need to be the same unit)
6666.7 m/sec
37500 m/sec
6.7 m/sec
37.5 m/sec
6.7 m/sec
Answer Key