 # Forces and Motion Practice Test

Quiz by , created over 3 years ago

## Forces and Motion practice questions 342 10 0  Created by Fernanda Silva2990 over 3 years ago
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### Question 1

Question
A change in position in a certain amount of time is called
• acceleration
• speed
• displacement
• distance

### Question 2

Question
A car travels 440 miles in 11 hours. The speed of the car is
• 100 mph
• 80 mph
• 0.025 mph
• 40 mph

### Question 3

Question
If the speed of something is given and the time is also given, how can you calculate the distance traveled?
• Multiply time by distance
• Divide distance by speed
• Divide speed by time
• Multiply speed by time

### Question 4

Question
If the distance of something is given and the speed is also given, how can you calculate the time?
• Multiply distance by speed
• Divide distance by speed
• Divide speed by time
• Multiply time by speed

### Question 5

Question
A force is
• A push
• A pull
• A change in an object's motion
• the ability to change direction

### Question 6

Question
If two forces have the same direction you must _____ to find the net force
• subtract

### Question 7

Question
If two forces have the opposite direction you must _____ to find the net force
• subtract

### Question 8

Question
Friction is a force that acts in a direction the _________ of the motion
• same
• opposite

### Question 9

Question
You are racing a cart down the hallway. If you go 10 meters in 5 seconds, what is your speed?
• 2 m/s
• 0.5 m/s
• 2.5 m/s

### Question 10

Question
Ms. Parks can run 50 yards in 10 seconds and Ms. Briscoe can run 100 yards in 20 seconds. Who has a faster speed?
• Ms. Parks
• Ms. Briscoe
• they both have the same speed

### Question 11

Question
A net force (an unbalanced force that changes motion) causes an object to
• stay the same speed
• not move
• accelerate or decelerate

### Question 12

Question
Forces that are equal in size and opposite in direction are known as
• balanced forces
• unbalanced forces
• friction forces

### Question 13

Question
If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be
• equal to the force of friction exerted upon the car
• greater than the weight of the car
• greater than the force of friction exerted upon the car
• equal to the weight of the car

### Question 14

Question
If a car is traveling on the highway at an increasing velocity, the force that pushes the car forward must be
• equal to the force of friction exerted upon the car
• greater than the weight of the car
• greater than the force of friction exerted upon the car.
• equal to the weight of the car

### Question 15

Question
Bella puts an iron block in a bucket of water. The block sinks. Which of the following forces is acting on the block? I. the force of the liquid pushing up on the block II. the force of gravity pulling down on the block III. the force of the liquid pulling down on the block
• II and III only
• I and II only
• I only
• I, II, and III

### Question 16

Question
When an unbalanced force acts on an object, the change in the object's _______ or _______ depends on the size and direction of the force.
• position; mass
• direction; mass
• mass; speed
• speed; direction

### Question 17

Question
What happens to the gravitational force between two objects as the bodies become farther apart from each other?
• The gravitational force decreases.
• The gravitational force stays the same
• The gravitational force begins to repel the objects
• The gravitational force increases

### Question 18

Question
Jennifer stands on one side of a filing cabinet and pushes with a force of 60 N. If Nathan wants to help Jennifer demonstrate balanced forces, what does he need to do?
• stand on the opposite side of the cabinet and push with a force of 60 N toward Jennifer
• stand on the same side of the cabinet and push with a force of 60 N in the same direction as Jennifer
• stand on the opposite side of the cabinet and push with a force of 120 N toward Jennifer
• cause the cabinet to move

### Question 19

Question
While in empty space, an astronaut throws a ball at a velocity of 9 m/s. What will the velocity of the ball be after it has traveled 2 meters?
• 11 m/s
• 9 m/s
• 7 m/s
• 0 m/s

### Question 20

Question
Balanced forces will cause an object to move at a constant speed or to remain at rest. Which of the following graphs shows this situation?
• W
• X
• Y
• Z

### Question 21

Question
How would the forces on the book best be described?
• The forces on the book are unbalanced.
• The forces on the book cause a change in the book's motion.
• The forces on the book do not cancel each other out.
• The forces on the book are balanced.

### Question 22

Question
The image below shows a force of 10 N being applied to an object. The force is being applied toward the right, and the object is accelerating toward the right. No other force is acting on the object. Examine the image, and then answer the question that follows. A second force of 13 N is applied to the object. If this second force is applied toward the left, which of the following will occur?
• The object will begin moving toward the left, and it will accelerate at a greater rate than before
• The object will continue moving toward the right, but it will accelerate at a greater rate.
• The object will continue moving toward the right, but it will move at a slower speed.
• The object will experience acceleration toward the left

### Question 23

Question
Here is part of a travel graph of Siân’s journey from her house to the shops and back. What is Siân’s average speed for the first 40 minutes of her journey?
• 20 m/s
• 0.5 m/s
• 80 m/s

### Question 24

Question
Analyse the following graphs. Graph 1 shows an object...
• traveling at a constant speed
• accelerating
• decelerating
• at rest

### Question 25

Question
Analyse the following graphs. Graph 2 shows an object...
• traveling at a constant speed
• accelerating
• decelerating
• at rest

### Question 26

Question
Analyse the following graphs. Graph 3 shows an object...