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A change in position in a certain amount of time is called
Answer
acceleration
speed
displacement
distance
Question 2
Question
A car travels 440 miles in 11 hours. The speed of the car is
Answer
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?
Answer
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?
Answer
Multiply distance by speed
Divide distance by speed
Divide speed by time
Multiply time by speed
Question 5
Question
A force is
Answer
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
Answer
add
subtract
Question 7
Question
If two forces have the opposite direction you must _____ to find the net force
Answer
add
subtract
Question 8
Question
Friction is a force that acts in a direction the _________ of the motion
Answer
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?
Answer
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?
Answer
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
Answer
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
Answer
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
Answer
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
Answer
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
Answer
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.
Answer
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?
Answer
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?
Answer
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?
Answer
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?
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?