A fisherman steps off of a boat, which is in the water, onto a dock. What happens?

The boat moves away from the dock.

The boat moves toward the dock.

The dock moves away from the boat.

A moving car backs into a parked car in a parking lot. Why would the bumpers on both cars be dented?

When one car bumps into the other car, they collide with equal and opposite force.

The parked car was made of weaker material than the car that was not moving.

The car that was moving was made of weaker material than the parked car.

The bumpers of both cars would not have become dented as a result of this minor collision.

The same force is applied separately to two object, A and B. B has twice the mass of A. What happens?

B's acceleration is half that of A.

B's acceleration is twice that of A.

B's acceleration is one-fourth that of A.

B's acceleration is four times that of A.

A tennis ball hits a wall. Which of these statements is true?

The wall exerts a force in the opposite direction as the tennis ball's force.

The tennis ball's force is unopposed by the wall.

The tennis ball's speed doubles when it hits the wall.

The wall exerts a force in the same direction as the tennis ball's force.

What change could cause an apple hanging from a tree branch to fall?

loss of the upwards force opposing gravity

loss of a sideways force on the left

loss of a sideways force on the right

Which forces are acting on a person who is standing still on a sidewalk?

gravity in the downward direction

the sidewalk in an upward direction

the sidewalk in the downward direction

gravity in the upward direction

How would the forces change if a person standing still on a sidewalk started walking?

The person would exert a sideways force on the sidewalk.

The sidewalk would exert a sideways force in the opposite direction as the person.

The sidewalk would exert a sideways force in the same direction as the person.

Two ice skaters on ice push away from each other. What will be the effect of the forces of their pushing each other if their masses are different?

The skater with the greater mass will have the lesser acceleration.

The skater with the less mass will have the lesser acceleration.

In which situation are the forces acting on a bicycle balanced?

The bicycle moves in a straight line with constant speed as you pedal.

The bicycle speeds up as you pedal.

The speed of the bicycle is constant as it turns the corner.

The bicycle slows down as it coasts

You're pushing a couch across a carpeted floor. What could you do to reduce the force of friction that slows your progress?

Place smooth plastic cards under the couch's legs

Ask a friend to help push the couch.

A person who weighs 500 N on Earth would weigh about 80 N on the Moon. The force of gravity is less on the Moon because ____.

the Moon has less mass than Earth.

a person loses mass when traveling to the Moon.

Jessica is comparing two balls. One ball has a mass of 1 kg, and the other has a mass of 2 kg. She pushes each with a force of 100 N. How do the accelerations of the two balls compare?

The 1 kg ball accelerates twice as much as the 2 kg ball.

The 1 kg ball accelerates the same as the 2 kg ball.

The 1 kg ball accelerates half as much as the 2 kg ball.

The 1 kg ball accelerates four times as much as the 2 kg ball.

A 1 kg object accelerates at a rate of 5 m/s2. Calculate the net force on the object. Tell how its motion is changing.

5 N, The object is accelerating.

1 N, The object is accelerating.

15 N, The object is not accelerating.

0 N, The object is not accelerating.

Which of these is considered a contact force?

the friction between an object and air

the gravitational pull of a planet

the force between two charged particles

Why are some forces considered to be noncontact forces?

Objects do not have to touch each other to experience a force.

Objects must be far apart in order to exert a force

Objects push each other apart to increase the distance between them.

Objects must be large in size in size in order to exert a force that is strong enough to notice.

Why is friction force considered to be a contact force?

Friction is produced when objects slide past one another.

Friction affects only solid objects.

Friction always acts in the same direction.

Friction acts in a direction opposite to the direction of an object's motion.

Why is magnetic force considered to be a noncontact force?

Magnets do not have to touch each other to experience a force.

Magnets must be far apart in order to exert a force.

Magnets push each other apart to increase the distance between them.

Magnets must be large in size in order to exert a force that is strong enough to notice.

Forces, Motion, and Fields Unit 1 2022/23

6th - 8th Grade

•

81 Qs

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Forces, Motion, and Fields Unit 1 2022/23

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-2, MS-PS2-4, MS-PS2-1

Standards-aligned

Nicky Kupke

Used 48+ times

FREE Resource

81 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an action exerted on an object that may change the object's state of rest or motion?

mass

force

velocity

acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these forces is being applied by the boy shown here?

gravitational force

fundamental force

contact force

field force

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A metal ball sits motionless on a flat surface. Which of these would make the ball move?

The force of gravity becomes less.

The force of gravity becomes greater.

Two equal horizontal opposing forces act upon the ball.

Two unequal horizontal opposing forces act upon the ball.

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A skydiver jumps out of a plane. She falls downward at a very fast speed. When she opens her parachute, she slows down. What force pulled the skydiver to the ground?

friction

gravity

air resistance

parachute pull

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A force can be a push or a pull.

true

false

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit for force?

gram

pound

newton

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Forces can change both direction and speed of an object.

true

false

Tags

NGSS.MS-PS2-2

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Forces, Motion, and Fields Unit 1 2022/23

81 questions

Which of the following is an action exerted on an object that may change the object's state of rest or motion?

Which of these forces is being applied by the boy shown here?

A metal ball sits motionless on a flat surface. Which of these would make the ball move?

A skydiver jumps out of a plane. She falls downward at a very fast speed. When she opens her parachute, she slows down. What force pulled the skydiver to the ground?

A force can be a push or a pull.

What is the SI unit for force?

Forces can change both direction and speed of an object.

When a skater pushed off of a wall with her hand. The forces on the skater become balanced.

In a force diagram, the point of the arrow represents the direction of the force.

A fisherman steps off of a boat, which is in the water, onto a dock. What happens?

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