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WorksheetsLaws of Motion
Total questions: 40
Worksheet time: 55mins
Name
Class
Date
1.
What do we call the total forces acting on an object?
a)
Sub Force
b)
Net Force
c)
Unbalanced Force
d)
Balanced Force
2.
Two students apply force to a box at rest on the floor. What is the total amount of force in Newtons acting on the box and in which direction? Click the image.
a)
10 N ←
b)
10 N →
c)
70 N ←
d)
70 N →
3.
A dog walks a distance of 100 ft in 20 s of time. What is the dog’s speed in feet per second?
HINT: S = D ÷ T
HINT: S = D ÷ T
a)
5 ft/s
b)
80 ft/s
c)
120 ft/s
d)
2000 ft/s
4.
Click the image. There are two toy cars pushing against each other with a force given in Newtons. Which of the following describes how the two-car system will behave? The two cars will -
a)
accelerate steadily to the right.
b)
accelerate steadily to the left.
c)
move at a constant speed to the right.
d)
move at a constant speed to the left.
5.
Which of the following examples best represents an object with balanced forces acting upon it?
a)
A boat moving through the water.
b)
A book sitting on a high shelf.
c)
wagon rolling down a steep hill.
d)
A baseball thrown into the air.
6.
A student wanted to get an object to move with a net force of ↑ 15 Newtons. The combinations of forces that can be exerted to create that net force are:
a)
↑13N + → 2N
b)
↓ 35N + ↑ 20N
c)
↑ 7N + ↑ 8N
d)
↑ 15N + ↓ 15N
7.
Which of the following situations is an example of unbalanced forces acting upon an object?
a)
A rock accelerating as it rolls down a hill.
b)
A rope being pulled from both sides with equal force.
c)
car moving constantly at 30 miles per hour.
d)
A science text book lying on the floor.
8.
Click the image. What is the net force on the box?
a)
5 N →
b)
5 N ←
c)
15 N →
d)
15 N ←
9.
When an object has no motion, we say it is -
a)
at rest
b)
constant
c)
between forces
d)
neutral
10.
Which of the following is the most complete description of the constant velocity of a car?
a)
A car traveling at 50 km/hr comes to a complete stop.
b)
A car moving towards the east turns left and is now heading north.
c)
A car travels 80 km/hr toward the west.
d)
A car with a mass of 1,000 kg moves at a speed of 10 m/s.
11.
Which of following gives the best description of speed?
a)
A school bus travels 40 km in an hour.
b)
An airplane flies south for a time of 2 h.
c)
A freight train travels 500 km.
d)
A hot air balloon travels at 35 km/h from Albuquerque to Santa Fe.
12.
Joey drives 350 miles and it takes him 5 hours. How fast was he driving? HINT: Look at your formula cheat sheet!
a)
70 mph
b)
1750 miles
c)
30 mph
d)
70 miles
13.
Miranda rides her bike 11 miles per hour for 15 MINUTES. How far does she go? HINT: How much is 15 minutes out of an hour??
a)
1.36 miles
b)
44 miles
c)
2.75 miles
d)
165 miles
14.
Holly drove to Dallas (378 miles away). She drove at a constant speed of 63 miles per hour. How long was she driving?
a)
60 hours
b)
60 minutes
c)
6 hours
d)
6 minutes
15.
A bike accelerates with a force of 255 N and accelerates at 6 m/s². What is the mass of the bike in kilograms? HINT: Look at your formula cheat sheet!
a)
425 kilograms
b)
4.25 kilograms
c)
42.5 kilograms
d)
1530 kilograms
16.
A toy car with a mass of 8 kg moves with a force of 234 N. How fast is the toy car accelerating? HINT: Look at your formula cheat sheet!
a)
29.25 m/s²
b)
2.92 m/s²
c)
1872 m/s²
d)
18.72 m/s²
17.
A runner with a mass of 368 kg accelerates at a rate of 25 m/s². What force is the runner exerting?
a)
1472 N
b)
920 N
c)
9200 N
d)
14.72 N
18.
Which of the following is the correct unit for mass?
a)
kg
b)
mi
c)
cm
d)
N
19.
Which of the following is the correct unit for acceleration?
a)
N
b)
mph
c)
cm
d)
m/s²
20.
Which of the following is the correct unit for force?
a)
kg
b)
m/s²
c)
N
d)
mph
21.
Which of the following is the correct unit for speed?
a)
kg
b)
N
c)
km/hr
d)
m/s²
22.
Which of the following is the correct unit for distance?
a)
N
b)
km
c)
km/hr
d)
m/s²
23.
Which of the following is the correct unit for time?
a)
sec
b)
km
c)
km/hr
d)
m/s²
24.
The rate at which an object moves over a certain period of time.
a)
Motion
b)
Speed
c)
Acceleration
d)
Velocity
25.
A change in position.
a)
Motion
b)
Speed
c)
Acceleration
d)
Velocity
26.
The speed and direction of a moving object.
a)
Motion
b)
Speed
c)
Acceleration
d)
Velocity
27.
The rate that speed or direction changes.
a)
Motion
b)
Speed
c)
Acceleration
d)
Velocity
28.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
29.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
30.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
31.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
32.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
33.
Click the image. Describe the motion of the graph.
a)
At rest
b)
Constant Speed
c)
Acceleration
d)
Deceleration
34.
Click the image. Which line is moving at a greater speed?
a)
A
b)
B
c)
Both moving at same speed
d)
Not enough information to tell
35.
A kayaker uses her paddle to push water BACKWARD, while the boat simultaneously moves FORWARD. Which of Newton's 3 Laws is this?
a)
1st Law
b)
2nd Law
c)
3rd Law
36.
A dump truck and a Corvette are stopped next to each other at a traffic light. When the light turns green, the Corvette speeds up much faster than the dump truck. Both vehicles eventually reach the speed limit. Which of Newton's 3 Laws is this?
a)
1st Law
b)
2nd Law
c)
3rd Law
37.
A cab driver sets his coffee mug on the dashboard of the car. A woman waves from the side of the road requesting the cab to pick her up. Forgetting about the coffee mug, the driver hits the gas pedal. The coffee cup falls off the dashboard onto the floor, spilling the hot coffee all over the cab. Which of Newton's 3 Laws is this?
a)
1st Law
b)
2nd Law
c)
3rd Law
38.
What is the nickname for Newton's 1st Law?
a)
Inertia
b)
F = MA
c)
Action/Reaction
39.
What is the nickname for Newton's 2nd Law?
a)
Inertia
b)
F = MA
c)
Action/Reaction
40.
What is the nickname for Newton's 3rd Law?
a)
Inertia
b)
F = MA
c)
Action/Reaction
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