Provided is a diagram showing forces on a box. Given the forces being applied from the left and right sides of the box, the box will -

move at a constant rate to the left.

move at a constant rate to the right.

Which of the following examples accurately describes an object that is accelerating?

A car slows down to turn a sharp corner.

A ball sitting motionless on the floor.

An airplane moving at 500 kilometers per hour.

A bike moving backward at 3 meters per second.

If a car is moving on a highway at 70 kilometers per hour, going south, and then turns to travel 70 kilometers per hour, going east, what happens to its speed and velocity?

Speed - constant, Velocity - changing

Speed - changing, Velocity - constant

Speed - constant, Velocity - constant

Speed - changing, Velocity - changing

Which measurements are necessary for determining both the speed and velocity of a moving object?

Direction, displacement, and distance

Distance, direction, and acceleration

Direction, time, and acceleration

The following data describes the motion of a car over a three minute period. Which of the following statements regarding the car’s motion is true?

The velocity and the speed of the car changed.

The velocity of the car changed, but not the speed.

The speed of the car changed, but not the velocity.

The velocity and the speed of the car stayed the same.

According to Newton’s first law of motion, which of the following objects will change its motion?

A ball rolling across the floor with friction acting in the opposite direction.

A bike rider on a smooth and level road, pedaling at a constant rate.

A train pulling on another train, each with the same amount of force.

A chair sitting on the floor with balanced forces acting in opposite directions.

A 70 kg adult and a 35 kg child face each other on ice skates. According to Newton’s laws of motion, what will happen if the two skaters push against each other?

They will both move backward, but the child will move at a faster speed.

The adult will move backward, but the child will not move.

The adult will not move, but the child will move backward.

They will both move backward at the same speed.

A rising hot air balloon is acted on by a force pulling it upward and by the force of gravity pulling it downward. According to Newton’s law of inertia, what will happen to the balloon when the force of gravity equals the upward force?

It will move toward the ground.

When the air is release from a balloon, the air moves out one end and the balloon moves in the other direction. Which statement does this situation best illustrate? (8.6C)

For every action there is an equal and opposite reaction.

The shape and size of an object affect air resistance.

The acceleration due to Earth’s gravity is 9.8 m/s2.

Is a book sitting on a table an example of Newton's Third Law of Motion? Explain.

Yes, because the action is the downward pull of gravity on the book, and the reaction is the upward push of the table, which holds the book in place.

Yes, because objects at rest tend to stay at rest

No. This is not an example of Newton's Third Law of Motion.

If the canoe slows down, you know that

the forces acting on it are unbalanced.

there are no forces acting on it.

the forces acting on it are equal and opposite.

only one force is acting on it.

When a space shuttle blasts off from its launching pad, the rockets expel exhaust at a very high velocity. This produces an action force, according to Newton's Third Law of Motion. What is the reaction force?

The shuttle will lift off the pad as a reaction due to the action of the exhaust gases leaving the rockets.

The ground below the pad will cave in.

The shuttle will not react to the exhaust being expelled.

Unit 3 Review

Authored by Jessie Cramer

Science

6th - 8th Grade

NGSS covered

Used 16+ times

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35 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

60 N right

10 N left

60 n right

50 N left

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

Balanced Forces, Constant Speed

Balanced Forces, Acceleration

Unbalanced Forces, Constant Speed

Unbalanced Forces, Acceleration

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does a book on a table not move?

No forces are acting on the book

Gravity is the only force acting on the book

Forces of the table pushing up and gravity pulling down are balanced

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which answer choice best explains why tractor trailers take more time to speed up & slow down than regular cars?

Tractor trailers have less mass and require less force to move.

Tractor trailers have more mass and require more force to move.

Tractor trailers have less mass and require more force to move.

Tractor trailers have more mass and require less force to move.

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

A and B

B and C

A and C

A, B and C

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

10 m/s^2

.1 m/s^2

100 m/s^2

1 m/s^2

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A five kilogram object attained a velocity of 5 m/s one second after a force was applied. In Newtons, what was the strength of the force?

10 Newtons

5 Newtons

25 Newtons

20 Newtons

Tags

NGSS.MS-PS2-2

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Unit 3 Review

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

Why does a book on a table not move?

Which answer choice best explains why tractor trailers take more time to speed up & slow down than regular cars?

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

A five kilogram object attained a velocity of 5 m/s one second after a force was applied. In Newtons, what was the strength of the force?

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?

A force of 90N is applied to each cart below, which one will accelerate the fastest?

Access all questions and much more by creating a free account

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Popular Resources on Wayground

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Unit 3 Review

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

Why does a book on a table not move?

Which answer choice best explains why tractor trailers take more time to speed up & slow down than regular cars?

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

A five kilogram object attained a velocity of 5 m/s one second after a force was applied. In Newtons, what was the strength of the force?

If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?

The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?

A force of 90N is applied to each cart below, which one will accelerate the fastest?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?