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Work Power Energy Review

Authored by Charles Martinez

Physics

9th - 12th Grade

NGSS covered

Work Power Energy Review
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44 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the kinetic energy of a 9.2 kg book that has a speed of 5.5 m/s?

.5 J
9.2 J
25 J
140 J

Tags

NGSS.HS-PS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: When the distance an object moves is zero the work done on the object is also zero.  

True
False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the potential energy of a 50.0 kg barbell that is lifted 5.8 m above the floor?

50 J
9.81 J
2800 J
58 J

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Belly-Flop Bernie dives from atop a tall flagpole into a swimming pool below. His potential energy at the top is 10,000 J. What is his kinetic energy when his potential energy reduces to 9.7 J?

9.81 J
10,000 J
9.7 J
9,990.3 J

Tags

NGSS.HS-PS3-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the work done when a 20 N force pushes a cart 3.5 m?

70 J
6.8 J
23.5 J
17.5 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: A 10 N force over a distance of 5 m requires more work than a 20 N force over a distance of 2 m.

True
False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: Work is done on an object when a force causes movement of the object.

True
False

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