Which of these is an example of rate?

a person running 2 km in 10 minutes

two cars arriving at a location ten minutes apart

In science, force refers to

a description of an objects movement.

The difference between balanced and unbalanced forces is that

balanced forces have a net force equal to 0 N, while unbalanced forces do not.

balanced forces are multiples of 5 N, while unbalanced forces are not.

balanced forces have a net force unequal to 0 N, while unbalanced forces are equal to 0 N.

balanced forces have multiple forces that are equal to the same number, while unbalanced forces do not.

When do forces always occur?

when one object is larger than another

when two objects are of the same size

Average velocity is calculated by dividing the __________ by the time needed to travel __________.

distance traveled; that distance

The net force on an object that is at rest

changes depending on the location of the object.

is the result of unbalanced forces acting on the object.

depends on the balanced forces acting on the object.

A reference frame is a

point of view on the speed and direction that objects are moving relative to a reference point.

tool used to describe the relative velocity of a reference point.

term used to describe a reference point that is not in motion.

tool used to measure speed and velocity of an object in motion.

What is most likely to happen to a moving object with a net force of 0 N?

It will continue to move with the same velocity.

It will come to a complete stop.

Different strengths of forces can be modeled using

scales that measure different forces.

a table of different numerical values.

a graph of different numerical values.

What is most likely to happen to a moving object with a net force of 0 N if an unbalanced force acts on it?

It will come to a complete stop.

It will continue to move with the same velocity.

You are playing catch with a friend when they pass you the ball. From your reference frame

the ball moves toward you and away from your friend.

your friend moves away from the ball.

your friend moves away from the ball as you move toward it.

In the example of a swimmer interacting with a wall, the swimmer

exerts a force on the wall only.

exerts a force on both herself and the wall.

exerts a force on herself only.

Which of the following MOST ACCURATELY describes an object that is accelerating?

speed increasing; speed decreasing; changing direction

speed increasing; speed decreasing

two interacting forces that act on different objects.

two interacting forces that exert a single force.

two interacting objects that exert a single force.

two interacting objects that act on different forces.

Two pendulums colliding are an example of

a force pair where both forces can be seen.

a force pair where only one force can be seen.

a force pair where the forces cancel each other out.

a force pair where the strength of forces is doubled.

Which of the following describes an object that is accelerating?

a bird slowing down as it lands

a car parked on the side of the road

your teacher reading a book out loud

Newton was able to verify that his third law was correct by

experimenting with pendulums of different sizes and materials.

creating a new mathematic equation to calculate force.

rolling balls of different size down a hill to test their speeds.

dropping objects from different heights and seeing how fast they fall.

Acceleration is a rate that

measures the change in velocity per unit of time.

measures the change in speed per unit of time.

measures the change in distance per unit of time.

measures the change in velocity per unit of distance.

What are the three components of the equation for the second law of motion?

velocity, acceleration, and mass

force, velocity, and acceleration

Forces Review Questions

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-2, MS-PS2-1, MS-PS3-1

+3

Standards-aligned

Patrick Cochrane

Used 1+ times

FREE Resource

45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object’s position

describes an objects exact location on a map.

is only used to describe the motion of a car on the road.

is usually described using centimeters as a unit of length.

is its current distance and direction from a reference point.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The net force on an object is found by

adding the forces.

dividing the forces.

subtracting the forces.

multiplying the forces.

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The red car is six car lengths behind the black car. In this scenario, the black car is called a(n) _______.

reference point

destination

starting point

observer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The net force of forces 15 N and 30 N is ______.

45 N

30 N

15 N

0 N

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For forces acting in opposite directions, the net force is found by

adding the forces.

dividing the forces.

subtracting the forces.

multiplying the forces.

Tags

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The four scientific laws that Newton developed related to

gravity and speed

gravity and magnetism

acceleration and the planets

gravity and forces and motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Brakes acting on a train car is an example of

the net force on an object being positive.

the net force on an object slowly increasing.

the net force an object remaining the same over time.

the net force on an object being equal to one force on the object.

Tags

NGSS.MS-PS2-2

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Forces Review Questions

45 questions

An object’s position

The net force on an object is found by

The red car is six car lengths behind the black car. In this scenario, the black car is called a(n) _______.

The net force of forces 15 N and 30 N is ______.

For forces acting in opposite directions, the net force is found by

The four scientific laws that Newton developed related to

Brakes acting on a train car is an example of

Which of these is an example of rate?

Finding the net force on an object is useful because

Speed is a rate that describes

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