(6.8D) On this graph, what can be said about the object's motion?

It is maintaining a constant speed.

It is maintaining a constant velocity.

(6.8D) According to the graph, what is the person doing between 5 and 10 seconds?

returning io the starting point

Thomas is at rest standing on his skateboard and he throws a football. Since Thomas and the skateboard have a greater mass then the football, Thomas and the skateboard will-----

move backward at a slower speed than the speed that the football moves forward.

have the same forward force as the football.

travel the same distance as the football.

move backward at a faster speed than the speed that the football moves forward.

This is a rocket. The rocket engine pushes the exhaust gases down. What is the other force in this interaction pair?

The exhaust gases pushes the rocket up.

The Earth pulls the rocket down.

The exhaust gases push on the ground.

When a car goes around a corner at 20 mph, why do we say it accelerates?

The car is accelerating because it's changing direction.

The car is accelerating because the velocity is constant.

The car accelerates because it's going 20 mph.

Cars always accelerate when they are in motion.

(6.8A) As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

The potential energy decreases while the kinetic energy increases.

Both the potential energy and kinetic energy decrease.

The kinetic energy decreases while the potential energy increases.

Both the potential energy and kinetic energy increase.

Matt had a toy truck weighing 15 g and a toy car weighing 6 g. Using the same amount of force on each toy, he pushed them both across his desk. The car reached the other side of the desk in 1.5 seconds, but it took the truck 3.5 seconds to reach the other side of the desk. Why did the car travel the same distance in a shorter amount of time?

The car had less mass and traveled at a faster speed than the truck.

The car had more mass and traveled at a faster speed than the truck.

The truck had more mass and traveled at a faster speed than the car.

Friction slowed the toy truck down.

(6.9C) Which statement describes the transformation of energy taking place in order for a lawn mower to work because of gasoline?

Chemical potential energy is transformed into kinetic energy.

Electrical potential energy is transformed into kinetic energy.

Electrical kinetic energy is transformed into potential energy.

Chemical kinetic energy is transformed into potential energy.

(7.7A) Which of the following results in the least amount of work being done?

A dog carries a toy 2 m with a force of 1 N.

A child moves a ball 3 m with a force of 4 N.

A student pushes a book with a force of 5 N for 1 m.

A coyote drags its prey with a force of 20 N for a distance of 5 m.

They all have the same amount of work.

A car is moving at a constant speed of 3 m/s when a force of 25 N is acting on it. What will happen if the force is changed to 35 N?

The speed of the car will increase.

The car will move at a constant speed of 13 m/s

The speed of the car will not change.

The speed of the car will decrease to 1 m/s

If the forces acting on a moving object are balanced, what will the object do?

The object will travel in the same direction at the same velocity.

The object will remain motionless.

The object will travel in the direction of the greater force.

The object will travel in the opposite direction at the same velocity.

The object will slow down to a stop.

Which of the following statements would explain the event shown in this picture?

The flag will not move because the forces are balanced.

The flag will move to the right because the force are balanced.

The flag will move to the right because the forces are unbalanced.

The flag will move to the left because the force are balanced.

The flag will move to the left because the forces are unbalanced.

STAAR Science 8 - Cat 2 Review

Quiz

•

Physics

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

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

+9

Standards-aligned

Barry Rose

Used 615+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit to MEASURE force?

Kilogram

Meter

Pascal

Newton

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ____________ is a push or a pull on an object.

friction

force

magnet

gravity

What is the net force in this image?

10 N

0

25 N

1 N

The force acting on this car will make it ...

stay where it is.

move to the left.

move to the right.

maintain a constant velocity.

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________

inertia

motion

gravity

lubricant

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net force given the data in this image?

400 N Up

400 N Down

- 400 N Down

800 N Down

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

remain in motion at a constant velocity.

eventually come to a stop.

change its momentum.

accelerate.

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STAAR Science 8 - Cat 2 Review

50 questions

What is the unit to MEASURE force?

A ____________ is a push or a pull on an object.

What is the net force in this image?

The force acting on this car will make it ...

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________

What is the net force given the data in this image?

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

45 m/s² is an example of...

(7.7A) It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?

88 m/s is an example of ...

Access all questions and much more by creating a free account

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STAAR Science 8 - Cat 2 Review

50 questions

What is the unit to MEASURE force?

A ____________ is a push or a pull on an object.

What is the net force in this image?

The force acting on this car will make it ...

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________

What is the net force given the data in this image?

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

45 m/s2 is an example of...

(7.7A) It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?

88 m/s is an example of ...

Access all questions and much more by creating a free account

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Popular Resources on Wayground

Discover more resources for Physics

45 m/s² is an example of...