Quiz about Force & Motion

Question 1

Forces can do lots of things. Select all of the following that describes what a force can do.

Accepted Answer

Make an object that was not moving start moving.

Accepted Answer

Speed up the movement of an object.

Accepted Answer

Change direction of an object that is already moving.

Accepted Answer

Slow down the movement of an object.

Question 2

Forces are measured in

Accepted Answer

newtons

Answer

gravity

Answer

pulls

Answer

pounds

Question 3

Which of the following is the most likely effect of the forces shown?

Accepted Answer

The object will accelerate downward.

Answer

The object become balanced.

Answer

The object will accelerate upward.

Answer

The motion of the object cannot be predicted.

Question 4

Which of the following best describes the forces shown?

Accepted Answer

The forces are balanced.

Answer

The forces are unbalanced.

Answer

The forces will cause movement to the left.

Answer

The forces will cause a change in motion.

Question 5

Which of the following best shows the pattern of motion of this student on the swing?

Accepted Answer

X, Y, Z, Y, X, Y

Answer

X, Y, Z, X, Y, Z

Answer

X, Y, Z, Y, Z, X

Answer

X, Z, Y, X, Z, Y

Question 6

The moon is orbiting around the Earth. Which of the following pattern of motion can be used to describe the moon's orbit?

Accepted Answer

moving in cycles

Answer

moving in one direction

Answer

zig zag motion

Answer

shifting back and forct

Question 7

A cuckoo clock uses a pendulum to keep time. The dock was running too quickly. Which of the following could help the cuckoo clock keep time?

Accepted Answer

lengthening the string

Answer

shortening the string

Answer

changing the mass

Answer

changing the release angle

Question 8

Select the example of an object shifting back and forth.

Accepted Answer

a swing

Answer

planets orbiting the sun

Answer

a carousel

Answer

skiing

Question 9

What is the definition of friction?

Accepted Answer

a force that opposes the motion of an object

Answer

any push or pull of an object

Answer

forces that are equal and opposite; does not create movement

Answer

forces that are unequal and create a change in movement or direction of an object

Answer

a model that shows the forces on an object

Question 10

What is the definition of balanced forces?

Accepted Answer

forces that are equal and opposite; does not create movement

Answer

a force that opposes the motion of an object

Answer

any push or pull of an object

Answer

forces that are unequal and create a change in movement or direction of an object

Answer

a model that shows the forces on an object

Question 11

What is the definition of unbalanced forces?

Accepted Answer

forces that are unequal and create a change in movement or direction of an object

Answer

a force that opposes the motion of an object

Answer

any push or pull of an object

Answer

forces that are equal and opposite; does not create movement

Answer

a model that shows the forces on an object

Question 12

What is the definition of force?

Accepted Answer

any push or pull of an object

Answer

a force that opposes the motion of an object

Answer

forces that are equal and opposite; does not create movement

Answer

forces that are unequal and create a change in movement or direction of an object

Answer

a model that shows the forces on an object

Question 13

What is the definition of Newton?

Accepted Answer

the unit used to measure force

Answer

any push or pull of an object

Answer

forces that are equal and opposite; does not create movement

Answer

forces that are unequal and create a change in movement or direction of an object

Answer

a model that shows the forces on an object

Question 14

What is the definition of force diagram?

Accepted Answer

a model that shows the forces on an object

Answer

the unit used to measure force

Answer

any push or pull of an object

Answer

forces that are equal and opposite; does not create movement

Answer

forces that are unequal and create a change in movement or direction of an object

Question 15

Object with balanced forces acting upon them could be in motion.

Accepted Answer

False

Answer

True

Question 16

Objects with unbalanced forces acting upon them remain the same speed but change direction.

Accepted Answer

False

Answer

True

Question 17

Mrs. Brown's science class was discussing cyclic motion. Several students gave examples of cyclic motion they noticed last week. Which student did give an example of cyclic motion?

Accepted Answer

Samuel says, "the prize wheel was spinning in cycles."

Answer

Natalie says, "my neighbor was swinging on a swing set."

Answer

Jonah says, "the bus driver turned down the street, stopped, and then continued."

Answer

Emma says, "a friend was jumping up and down on a pogo stick."

Question 18

Scientists need to track the path of the International Space Station, which is orbiting Earth, in order to accurately send supply shipments. Which student best classifies the type of movement of the International Space Station?

Accepted Answer

Mary says, "the International Space Station moves in cycles."

Answer

Jordan says, "the International Space Station is shifting back and forth."

Answer

John says, "the International Space Station is moving in one direction."

Answer

Derrick says, "the International Space Station moves in unpredictable ways."

Question 19

A student watches his friend dribble a basketball at recess. He noticed the ball moved up and down, but never went past the starting point. Which of the following statements is true?

Accepted Answer

Dribbling the basketball is an example of an object moving in one direction.

Answer

Dribbling the basketball is an example of an object moving in cycles.

Answer

Dribbling a basket ball is not an example of cyclic motion.

Answer

Dribbling a basketball is an example of an unpredictable pattern that will never repeat.

Question 20

Which of the following is not a characteristic of cyclic motion?

Accepted Answer

unpredictable

Answer

repeating

Answer

predictable

Answer

occurs in a pattern

Question 21

Read the descriptions below and choose the ones that best demonstrate how the force of gravity pulls objects towards the center of the Earth. Select all that apply.

Accepted Answer

A pencil rolls off a table and onto the floor.

Accepted Answer

A girl throws a ball up in the air and watches it fall to the ground.

Answer

A skydiver jumps out of an airplane.

Answer

A plane flies in the air.

Answer

A soccer ball rolls across a field.

Question 22

Presley is watching cartoons and the people are floating through the air. What keeps this from really happening?

Accepted Answer

gravity

Answer

magnetic field

Answer

the rotation of Earth

Answer

Earth's atmosphere

Question 23

Two objects have mass and are attracted to each other. What is the attraction called?

Accepted Answer

gravity

Answer

energy

Answer

motion

Answer

friction

Question 24

A helium balloon floats but has more of an attraction to Earth than other objects. Why is the balloon attracted to Earth rather than the other objects?

Accepted Answer

The other objects have too little gravity to have an effect on the balloon.

Answer

The other objects have equal gravity to Earth.

Answer

The other objects have no gravity.

Answer

The other objects do not have a strong magnetic attraction to the balloon.

Question 25

Shelby weighs 42 kg on Earth. Her friend tells her she will only weigh about 7.3 kg on the moon. Why would Shelby's weight change?

Accepted Answer

Earth has a stronger gravitational pull on Shelby.

Answer

Shelby's weight would not change. Her friend is incorrect.

Answer

The moon has a stronger magnetic field.

Answer

Earth has a strong magnetic field.

Question 26

What are the two factors that affect gravity?

Accepted Answer

mass and distance.

Answer

distance and weight

Answer

mass and weight

Answer

length and width

Question 27

How does the gravity of the moon affect Earth?

Accepted Answer

The gravitational pull of the moon causes ocean tides.

Answer

The gravitational pull of the moon causes people on Earth to jump higher.

Answer

The moon keeps Earth in orbit around the sun.

Answer

The gravitational pull of the moon keeps it in orbit around the sun.

Question 28

Which object has the largest pull of gravity on the Earth?

Accepted Answer

The sun

Answer

Jupiter

Answer

The moon

Answer

Pluto

Question 29

Which object has the largest pull of gravity on a person located on Earth?

Accepted Answer

Earth

Answer

Jupiter

Answer

An asteroid

Answer

The moon

Question 30

Which is a force that opposes the motion of an object?

Accepted Answer

Air resistance

Answer

Indirect

Answer

Magnetism

Answer

Gravity

Question 31

On Earth, a marble and a flat piece of paper were dropped at the same time from the Empire State Building. Which one would reach the ground first? Select two true statements.

Accepted Answer

The marble would hit the ground first because it has less air resistance.

Accepted Answer

The difference in mass would not affect the rate at which the objects fall.

Answer

The piece of paper would hit the ground first because it has more air resistance.

Answer

The difference in mass would affect the rate at which the objects falls.

Answer

This question cannot be answered without more information.

Question 32

On the moon, a marble and a flat piece of paper were dropped at the same time. Which one would reach the ground first? Select two true statements.

Accepted Answer

The marble and piece of paper would hit the ground at the same time because there is no air resistance.

Accepted Answer

The difference in mass would not affect the rate at which the objects fall.

Answer

The piece of paper would hit the ground first because it has more air resistance.

Answer

the marble would hit the ground first because it has less air resistance.

Answer

The question cannot be answered without more information.

Question 33

Select the true statement.

Accepted Answer

All objects have gravity.

Answer

Objects that are smaller have more powerful gravity.

Answer

Gravity cannot be seen; therefore, it is not real.

Answer

Objects that are closer have a weaker pull of gravity.

Question 34

Which of the following is a true statement?

Accepted Answer

Gravity does not have to touch objects to affect them.

Answer

Gravity only affects objects that are touching.

Answer

Gravity causes seasons.

Answer

Gravity is a contact force.

Force & Motion

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