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Energy Revision

Authored by Susan Hurman

Physics

9th - 10th Grade

Used 27+ times

Energy Revision
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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What energy is stored in a moving object?

Elastic potential

Kinetic

Gravitatinal potential

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main energy transfer for a long distance runner?

Kinetic --> chemical

chemical --> gravitational potential

Chemical --> kinetic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these cannot happen?

Energy cannot be stored

Energy cannot be dissipated

Energy cannot be created

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 4000J of energy is transferred and 2500J is usefully stored, how much energy is wasted?

6500J

1500J

3250J

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to dissipated energy?

It spreads out into the surroundings

It disappears from the system

It is transferred into usful stores

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct equation for Energy in the kinetic store?

KE = 12kx2\frac{1}{2}kx^2  

KE = m×h×gm\times h\times g  

KE = 12mv2\frac{1}{2}mv^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct units for work done?

Joules (J)

Watts (W)

Newtons (N)

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