Which of the following statements is true about the object in the diagram?

B The horizontal forces are balanced.

A The horizontal forces are unbalanced.

C The vertical forces are unbalanced.

D The vertical forces are balanced.

The diagram below shows the forces acting on an acorn after a squirrel drops it from a tree. Which two statements are true about the forces acting on the acorn?

C The vertical forces are unbalanced.

A The vertical forces are balanced, and the net force is 45 N down.

B The vertical forces are unbalanced, and the net force is 85 N down.

D The vertical forces are balanced.

The law that states for every action force there is an equal and opposite reaction force

Newton's law of action-reaction(3rd)

A push or pull that can change the motion of an object

Newton's law of action-reaction(3rd)

A straight path than an object can move along

Newton's law of action-reaction(3rd)

A baseball bat hits a baseball with a force of 100 N. What is the force and its direction exerted by the ball on the bat?

B 100 N in the opposite direction

D 200 N in the opposite direction

A group of students was responsible for creating an object that demonstrates Newton’s third law of motion. They decided to create a balloon air rocket. Which of the following does not correctly describe how the air rocket works?

D The action force is larger than the reaction force.

A The action force is air coming out of the balloon, while the reaction force is the balloon moving forward.

B The action and reaction forces are equal in magnitude.

C The balloon pushing on the air moves in the opposite direction from the air pushing on the balloon.

Newton’s third law describes action-and-reaction force pairs. Observe the image of the soccer player. The player kicks the ball with a force of 75 N. Which of the following best represents the reaction force?

The ball applies a force of 75 N back on the player’s foot.

--->Reaction force of ball pushing back on the player’s foot.

-->Reaction force of ball pushing back on the player’s foot.

---> Reaction force of ball pushing back the player’s foot.

The ball applies a force of 40 N back on the player’s foot.

Food that we eat is considered chemical potential energy. When is it considered kinetic energy?

C When we use the energy to help us run

A When it is sitting in the stomach

D When it is stored in the food before we eat

A truck is parked at the bottom of a hill. It moves from the bottom of a hill and parks at the top. Comparing its new position to when it was parked at the bottom of the hill, the truck now has—

A more gravitational potential energy.

B more chemical potential energy.

D less gravitational potential energy.

Which of the following represents elastic potential energy and kinetic energy correctly as an archer shoots at a target? Select two correct answers.

A Potential energy becomes kinetic energy when the string is released.

C Elastic potential energy is the greatest when the string is pulled all the way back.

B Kinetic energy is built up in the arrow.

D Gravitational potential energy increases as the string is pulled back.

Unit 3 Test Review

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Medium

•

NGSS

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

+8

Standards-aligned

Bailey Tran

Used 12+ times

FREE Resource

34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An attractive force on objects with mass

Magnetism

Applied forces

Gravity

Normal Forces

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The push or pull on one object by another

Magnetism

Applied forces

Gravity

Normal Forces

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A force opposing an object on a surface

Magnetism

Applied forces

Friction

Normal Forces

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A force that attracts or repels objects

Magnetism

Applied forces

Friction

Normal Forces

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A force that causes resistance when two objects slide across one another

Magnetism

Applied forces

Friction

Normal Forces

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Kyle, Nathan, Tim, and Taka were practicing yo-yo tricks. What forces were at work as the yo-yo went up and down the string?

A
Only contact forces were at work as the yo-yo moved up and down.

B
Magnetism caused the speed of the yo-yo to decrease as it moved upward.

C
Friction opposed gravity and caused the yo-yo to move upward when there was a slight tug as it reached the bottom of the string.

D
Gravity opposed friction and caused the yo-yo to move upward and back to its original position.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Isabella is on a softball team and is up to bat. As she hits the softball, what forces will act on the ball?

A
Applied force will act on the softball as she hits it, and gravity will bring the ball down to the ground.

B
Magnetism and friction are forces that will act on the softball to slow it down.

C
Normal force and friction are the contact forces that will act on the ball to increase its speed.

D
Applied force and magnetism are the noncontact forces that will keep the softball in the air.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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Unit 3 Test Review

34 questions

An attractive force on objects with mass

The push or pull on one object by another

A force opposing an object on a surface

A force that attracts or repels objects

A force that causes resistance when two objects slide across one another

Kyle, Nathan, Tim, and Taka were practicing yo-yo tricks. What forces were at work as the yo-yo went up and down the string?

Isabella is on a softball team and is up to bat. As she hits the softball, what forces will act on the ball?

An up and down motion

The sum of all forces acting on an object

A straight path that an object can move along

Access all questions and much more by creating a free account

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