
Physics Work/Power/Energy
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
+7
Standards-aligned
Travis Sebits
Used 18+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit of work is the
Newton
Watt
JJ Watt
Joule
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you lift one 400 N load up two stories, how much work do you do compared to someone else lifting one load up one story.
four times as much
the same
half as much
twice as much
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Raising a car on a jack requires work. Raising it in 1/4 the time requires:
half the power
the same power
twice the power
four times the power
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A truck traveling at 10 km/h has kinetic energy. How much does it have when its speed is increased to 40 km/h?
4 times the KE
the same KE
8 times the KE
16 times the KE
Tags
NGSS.HS-PS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A boulder at the top of a vertical cliff has a potential energy of 500 J relative to the ground below. It rolls off the cliff. When it is halfway to the ground its kinetic energy is
the same as the potential energy at that point
negligible
about 600 J
about 100 J
Tags
NGSS.HS-PS3-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A boulder is raised above the ground so that its potential energy relative to the round is 400 J. Then it is dropped. What is its kinetic energy just before it hits the ground.
200 J
400 J
600 J
800 J
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In Physics power is defined as:
force divided by time
KE divided by time
Coach Sebits' serve in tennis
work divided by time
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