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WorksheetsForces and Motion
Total questions: 50
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
WHEN AN OBJECT'S SPEED REMAINS UNCHANGED.
a)
ACCELERATION
b)
INSTANEOUS SPEED
c)
AVERAGE SPEED
d)
CONSTANT SPEED
2.
EQUAL AND OPPOSITE FORCES RESULTING IN NO CHANGE IN POSITION.
a)
BALANCED FORCE
b)
UNBALANCED FORCE
c)
PUSH OR PULL
d)
SPEED
3.
DISTANCE TRAVELED DIVIDED BY THE TIME IT TAKES TO TRAVEL.
a)
INSTANEOUS SPEED
b)
SPEED
c)
ACCELERATION
d)
UNBALANCED FORCE
4.
CHANGE IN VELOCITY OVER TIME . WHEN AN OBJECT SPEEDS UP, SLOWS DOWN, OR CHANGES DIRECTION.
a)
BALANCED FORCE
b)
SPEED
c)
ACCELERATION
d)
CONSTANT SPEED
5.
UNEQUAL FORCES APPLIED TO AN OBJECT.
a)
PUSH OR PULL
b)
BALANCED FORCES
c)
UNBALANCED FORCE
d)
AVERAGE SPEED
6.
HOW FAR AN OBJECT HAS MOVED FROM ITS ORIGINAL POSITION.
a)
DISPLACEMENT
b)
VELOCITY
c)
SPEED
d)
ACCELERATION
7.
NORTH, SOUTH, EAST, WEST, RIGHT, LEFT, UP OR DOWN
a)
DISPLACEMENT
b)
DIRECTION
c)
SPEED
d)
UNIT OF MEASUREMENT
8.
A PUSH OR PULL.
a)
MOTION
b)
BALANCED FORCE
c)
FORCE
d)
ACCELERATION
9.
THE SUM OF ALL FORCES ACTING ON AN OBJECT.
a)
DISPLACEMENT
b)
DIRECTION
c)
MOTION
d)
NET FORCE
10.
SPEED OF AN OBJECT PLUS A DIRECTION
a)
VELOCITY
b)
SPEED
c)
AVERAGE SPEED
d)
ACCELERATION
22.
All forces act in pairs.
a)
a. Newton’s first law of motion
b)
b. Newton’s second law of motion
c)
c. Newton’s third law of motion
d)
d. inertia
12.
This is the constant velocity of a falling object when the force of gravity is balanced by the force of air resistance.
a)
a. terminal velocity
b)
b. inertia
c)
c. Newton’s second law of motion
d)
d. Newton’s third law of motion
13.
All objects tend to resist any change in motion.
a)
a. Newton’s first law of motion
b)
b. Newton’s second law of motion
c)
c. inertia
d)
d. terminal velocity
14.
The acceleration of an object depends on the mass of the object and the amount of force applied
a)
a. inertia
b)
b. Newton’s first law of motion
c)
c. Newton’s second law of motion
d)
d. Newton’s third law of motion
15.
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.
a)
a. Newton’s first law of motion
b)
b. Newton’s third law of motion
c)
c. Newton’s second law of motion
d)
d. terminal velocity
16.
If a tennis ball, a solid rubber ball, and a solid steel ball were dropped at the same time from the same height, which would hit the ground first? (Assume there is no air resistance.)
a)
a. All would hit at the same time.
b)
b. The solid rubber ball would hit first.
c)
c. The solid steel ball would hit first.
d)
d. The tennis ball would hit first.
17.
When a moving bumper car collides with a bumper car at rest, which of the following occurs?
a)
a. Momentum is transferred to the car at rest.
b)
b. Momentum is transferred to ground beneath the cars.
c)
c. Momentum is transferred to the moving car.
d)
d. There is no transfer of momentum.
18.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
a. the acceleration of gravity is greater on the crumpled paper.
b)
b. there is more air resistance against the flat paper.
c)
c. the crumpled paper is more massive.
d)
d. the
crumpled paper is less massive.
19.
Which of the following objects has the least acceleration?
a)
a. an empty shopping cart pushed with a hard force
b)
b. a full shopping cart pushed with a hard force
c)
c. an empty shopping cart pushed with a light force
d)
d. a full shopping cart pushed with a light
force
20.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
a. remain in motion.
b)
b. eventually come to a stop.
c)
c. change its momentum.
d)
d. accelerate.
21.
Which of the following is not an action/reaction force pair?
a)
a. the forces between a bat and ball
b)
b. the attractive force between a falling ball and Earth
c)
c. the force of propulsion and the force of gravity on an airplane
d)
d. the
forces between a grasshopper and the ground
22.
All forces act in pairs.
a)
a. Newton’s first law of motion
b)
b. Newton’s second law of motion
c)
c. Newton’s third law of motion
d)
d. inertia
23.
Where a person or thing is located.
a)
motion
b)
position
c)
acceleration
24.
Acceleration of an object happens when things ________
a)
slow up
b)
go faster
c)
change direction (turn)
d)
All of the above
25.
For every action force there is an equal and opposite reaction force. This is Newton's ___________ of motion.
a)
2nd Law
b)
4th Law
c)
3rd Law
26.
In order to for something to start moving a(n) _______________ force is needed.
a)
balanced
b)
rebalanced
c)
unbalanced
27.
The more massive something is the more force is needed to move it is part of Newton's ___________ of motion.
a)
1st Law
b)
2nd Law
c)
3rd Law
28.
When an object is not moving a ______________ force is acting on it.
a)
Balanced
b)
Unbalanced
29.
One way to reduce friction is to
a)
make a smooth surface
b)
make a surface rough
30.
One way to make more friction between two objects is to
a)
Make the surface smoother
b)
Make the surface rougher
31.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
32.
What is Newtons 2nd law?
a)
equal&opposite force
b)
law inertia
c)
f=ma
33.
When forces on an object are balanced, what is the force?
a)
Five
b)
Ten
c)
Six
d)
Zero
34.
How can you increase the acceleration of an object?
a)
decrease its mass
b)
increase its friction
c)
increase its mass
d)
decrease the force applied to it
35.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
36.
______ measures an object's tendency to resist changing its motion.
a)
Acceleration
b)
inertia
c)
Gravity
d)
weight
37.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
38.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
39.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
40.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
41.
Which runner won the race?
a)
A
b)
B
c)
C
42.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
Both 1 and 2
d)
None of the above
43.
Which is a correct definition of mass?
a)
How large something is.
b)
The amount of matter something is made of.
c)
The shape of an object.
44.
Which of these is NOT a force?
a)
Friction
b)
Human Body
c)
Gravity
d)
Outer Space
45.
Which is the best definition of inertia?
a)
Stopped objects don't move.
b)
Any object resisting a change in its motion.
c)
Moving objects keep moving.
46.
A larger __________ produces a greater __________.
a)
force, acceleration
b)
acceleration, force
c)
inertia, force
d)
force, inertia
47.
Every __________ has an equal and __________ reaction.
a)
reaction, opposite
b)
action, opposite
c)
action, similar
d)
action, positive
48.
In our marble-rolling experiments, how did we know the marble moved?
a)
The marble moved quickly
b)
The marble slowed down
c)
The marble changed position
d)
Gravity pulls objects toward the Earth
49.
What are examples of CONTACT forces?
a)
push, pull, kick, throw
b)
pull, gravity, magnet
c)
gravity, magnet, electricity
d)
gravity, push, pull, throw
50.
What are examples of
NON-CONTACT forces?
a)
push, pull, kick, throw
b)
pull, gravity, magnet
c)
gravity, magnet, electricity
d)
gravity, push, throw
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