What is the definition of work in physics?

Use of force to move an object in the same direction as the force.

When is work done on an object?

When a force is applied to the object and it moves in the direction of the force.

When a force is applied to the object and it does not move.

When a force is applied to the object and it moves in the opposite direction of the force.

When no force is applied to the object.

Why does the moon orbit the Earth instead of the much more massive Sun?

Gravitational pull between the Earth and the moon is greater because they are closer together.

The Sun's gravity is not strong enough to pull the moon towards it

The moon is too small to be affected by the Sun's gravity

The moon is too far away from the Sun to be affected by its gravity

The law of conservation of energy states ...

Energy cannot be made or destroyed just changed from one form into another.

Energy can be made and destroyed and changed from one form into another.

Energy can be made but not destroyed or changed from one form into another.

Energy cannot be made or destroyed or changed from one form into another.

Which of the following is the best description of elastic energy?

Occurs when an object is stretched or compressed.

Occurs within chemical bonds and the breaking and combining thereof.

Occurs via the traveling of waves through substances.

A inverted popper sitting on top of a pencil displays which types of energy?

Elastic potential energy and gravitational potential energy

Compressed energy and potential energy

Kinetic energy and mechanical energy

Why are you being pulled to the Earth instead of the Earth being pulled to you?

The Earth has a much larger mass than you do, so it would require much more force to move it.

The Earth is not attracted to you because you are too small.

Gravity only affects objects with a smaller mass than the Earth.

The Earth is not pulled to you because it is stationary.

Work, Types of Energy, and Gravity

Authored by TIFFANY ALMONTE

Science

8th Grade

NGSS covered

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32 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating kinetic energy?

KE = m * v

KE = m * v^2

KE = 1/2 * m * v

KE = 1/2 * m * v^2

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of energy is associated with the motion of an object?

potential energy

thermal energy

kinetic energy

nuclear energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement for kinetic energy?

m/s

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating potential energy?

PE = mg

PE = mgh + mv^2

PE = mgh

PE = mgh^2

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of energy is associated with the position or condition of an object?

Potential energy

Nuclear energy

Thermal energy

Kinetic energy

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement for potential energy?

Amps

Watts

Joules

Meters

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of energy is stored in chemical bonds?

Thermal energy

Chemical energy

Electrical energy

Nuclear energy

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Work, Types of Energy, and Gravity

What is the formula for calculating kinetic energy?

Which type of energy is associated with the motion of an object?

What is the unit of measurement for kinetic energy?

What is the formula for calculating potential energy?

Which type of energy is associated with the position or condition of an object?

What is the unit of measurement for potential energy?

Which type of energy is stored in chemical bonds?

What is the unit of measurement for chemical energy?

What is the formula for calculating gravitational potential energy?

Which type of energy is associated with the height and mass of an object?

Access all questions and much more by creating a free account

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