Two equal mass marbles are at the top of a ramp. One marble falls to the ground off the back while the other rolls down the ramp. What is true about the marbles when they reach the ground?

The two marbles are moving with the same speed.

The marble that rolled down the ramp is moving faster than the marble that fell.

The marble that fell down the back of the ramp is moving faster than the marble that rolled.

The marble that rolled down the ramp is not moving when it reaches the ground.

A block starts at rest at point P at the top of a ramp which is height h above the ground. The block slides down one side and up the other, stopping at a point less than h above the ground.

The block did not go as high on the other side because work from friction made the mechanical energy less.

The block did not go as high on the other side because gravity pulls down.

The block did not go as high on the other side because potential energy always has to decrease.

The situation as described is impossible to happen.

What effect do external forces like an applied force, friction force, or drag force have?

They convert between mechanical energy and other forms of energy to change the total mechanical energy of the system.

They have no effect on a system's mechanical energy.

They convert kinetic energy into potential energy.

They convert potential energy into kinetic energy.

How does conservation of energy explain why something that is falling should speed up?

It gains kinetic energy because it loses potential energy.

It gains kinetic energy because it gains potential energy.

It loses kinetic energy because no work was done on it.

It loses kinetic energy because the Earth gains potential energy.

Work,Energy and Power

Quiz

•

Physics

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS3-2, HS-PS3-1, MS-PS3-5

+5

Standards-aligned

Ishmeet PPSNABHA

Used 939+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ability to do work or cause change:

work

energy

momentum

power

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energy in the form of motion.

mechanical energy

potential energy

kinetic energy

momentum

Tags

NGSS.HS-PS3-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stored energy in the form of position or condition.

potential energy

kinetic energy

momentum

mechanical energy

Tags

NGSS.MS-PS3-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

200 J

80 J

5 J

2000 J

Tags

NGSS.MS-PS3-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

18 m

4 m

10 m

6 m

Tags

NGSS.HS-PS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the kinetic energy of pendulum at its highest?

at the top of the swing

at the bottom of the swing

at 1/4 of the swing

at 3/4 of the swing

Tags

NGSS.HS-PS3-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?

A

B

C

D

Tags

NGSS.HS-PS3-2

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Work,Energy and Power

21 questions

The ability to do work or cause change:

Energy in the form of motion.

Stored energy in the form of position or condition.

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

Where is the kinetic energy of pendulum at its highest?

At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

Energy from a compressed spring would be an example of...

How much work is being done with 200 N of force over 426 meters?

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