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More Work, Power & Energy

Authored by Michelle West

Physics

10th - 12th Grade

Used 3+ times

More Work, Power & Energy
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The faster an object moves, the ________ kinetic energy it has. 

more
less
none of the above
all of the above 

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Gravitational potential energy depends on the ________ and ________ of the object. 

Height and mass
Friction and movement
Mass and Movement
Height and Friction 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the total amount of mechanical energy?

ME = KE + PE
KE = ME + PE
PE = KE + ME
ME = 1/2 mv2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If a system is isolated, the total energy of the system

Increases constantly.

Decreases constantly.

Is constant.

Depends on the work done on the system.

Depends on the work done by the system.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Rank in order, from largest to smallest, the gravitational potential energies of the balls.

1 > 2 = 4 > 3

1 > 2 > 3 > 4

3 > 2 = 4 > 1

3 > 2 > 4 > 1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Starting from rest, a marble first rolls down a steeper hill, then down a less steep hill of the same height. Ignoring friction, for which is it going faster at the bottom?

Faster at the bottom of the steeper hill

Faster at the bottom of the less steep hill

Same speed at the bottom of both hills

Can’t say without knowing the mass of the marble

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

A small child slides down the four frictionless slides A–D. Rank in order, from largest to smallest, her speeds at the bottom.

vD > vA > vB > vC

vD > vA = vB > vC

vC > vA > vB > vD

vA = vB = vC = vD

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