9th_PH_5_1_I2_Work, Energy, Kinetic Energy and Potential Energy

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PART II

Work, Energy, Kinetic

Energy and Potential Energy

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1/7

Which of the following is a common unit that is used to measure energy?

Joules

Meters

Newtons

Grams

correctanswer

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2/7

Which of the following is the best definition for energy?

The movement of an object some distance.

The conversion of weight into mass.

Anything that has mass and volume.

The capacity to do work.

correctanswer

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3/7

A bike resting at the top of a hill would be an example of what type of energy?

Potential

Topical

Residual

Kinetic

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4/7

Identify when the following statement is true: different types of energy can be categorized as either kinetic or potential.

This statement is true for thermal and mechanical, but not elastic

This statement is false, except in the case of mechanical energy

This statement is true for all different types of energy

This statement is never true

correctanswer

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5/7

To which of the following variables is kinetic energy proportional?

the mass of the object and the velocity of the object squared

the mass of the object only

the weight of an object

the velocity of the object only

correctanswer

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6/7

Which of the following is an example of potential energy and not kinetic energy?

A car traveling at a constant speed

An elephant moving at 10 m.p.h.

A bottle of sugar sitting on the counter top

A bike rolling downhill

correctanswer

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7/7

Consider a ball at the end of a string. If the ball is swinging back and forth, at what point in the swing would the ball have the most potential energy?

Mid way between the bottom and the top of the swing

just past the bottom of the swing on the way up

Just past the top of the swing on the way back down

At the top of the swing

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