WorksheetsForce and Motion Unit
Total questions: 44
Worksheet time: 4hrs 40mins
Name
Class
Date
1.
What is the speed of an object that travels 60 meters in 4 seconds? Remember: S=d/t
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
2.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
3.
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
4.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
5.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
6.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
7.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
8.
At 60 seconds, how far had this object traveled?
a)
0 m
b)
10 m
c)
20 m
d)
40 m
9.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
10.
At what rate did the rain fall?
a)
2 cm per hour
b)
1/4 cm per hour
c)
1/2 cm per hour
d)
4 cm per hour
11.
A bus travels 20 km in 30 minutes. What is the average speed of the bus? Hint: You must convert minutes in the form of an hour.
a)
20 km/h
b)
30 km/h
c)
40 km/h
d)
50 km/h
12.
Some students were investigating the speed of a toy car they built. They performed two trials and recorded their data in the table below.
What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? Remember S=d/t
What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? Remember S=d/t
a)
.7 m/s
b)
1.4 m/s
c)
12.6 m/s
d)
113.4 m/s
13.
Which law explains why it takes more force to move a truck than to move a bike at the same speed?
a)
Newton's 1st Law of Motion/ Inertia an objects resistence to change without another force acting on it.
b)
Newton's 2nd Law of Motion The force acting on an object is equal to the mass of that object times its acceleration
14.
A person in car slides to the right when going through a very sharp left turn on the highway.
a)
1st Law/ / Inertia an object's resistence to change without another force acting on it.
b)
2nd Law/ The force acting on an object is equal to the mass of that object times its acceleration
15.
Which law states that if I push against a wall, the wall pushes against me?
a)
Law 2/ The force acting on an object is equal to the mass of that object times its acceleration
b)
Law 3/ For every action there is an equal and opposite action.
16.
A picture is hanging on the wall, and is not moving.
a)
1st Law/ Inertia an objects resistence to change without another force acting on it.
b)
3rd Law/ For every action there is an equal and opposite reaction.
17.
What force slows objects down and keeps them from moving?
a)
Friction
b)
Acceleration
18.
Inertia is the tendency of an object to resist a change in its ___________.
a)
temperature
b)
shape
c)
size
d)
motion
19.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
20.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
21.
The law of inertia (Newton’s First Law) applies
a)
to both moving and nonmoving objects
b)
only to moving objects
c)
only to objects that are not moving
22.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
23.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
24.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
25.
The amount of matter in an object is
a)
pressure
b)
weight
c)
mass
d)
force
26.
The strength of the force of gravity between two objects depends on _____ factors
a)
The masses of objects and the gravitational pull
b)
The mass of the planet and the mass of the object
c)
The masses of objects and the distance between them
d)
All of the above
27.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
28.
What two main factors keep a planet in motion?
a)
mass and size
b)
weight and mass
c)
force and motion
d)
gravity and inertia
29.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
30.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
31.
______is a force that resists motion between two surfaces that are in contact.
a)
Inertia
b)
Friction
c)
acceleration
d)
resistance
32.
Forces that cancel each other are called __________ forces
a)
inactivated
b)
balanced
c)
null
d)
neutral
33.
If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?
a)
Neither, there is no gravity on the moon.
b)
hammer because it has more mass
c)
feather because it has less mass
d)
both will hit at the same time
34.
What causes a falling skydiver to slow down after the parachute opens?
a)
air resistance
b)
gravity
c)
inertia
d)
reference motion
35.
Which runner had a head start?
a)
A
b)
B
c)
C
36.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
37.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
38.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
39.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
40.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter
d)
A rocket taking off
41.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun
d)
A baseball that has been thrown to home plate.
42.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
43.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
44.
What has magnitude and direction?
a)
force
b)
gravity
c)
inertia
d)
friction
100 %
