Physics Work and Power

Quiz
•
Science
•
12th Grade
•
Hard
+6
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the difference between calculating power and work?
Power takes into account the time it takes to complete a task
Work takes into account the time it takes to complete a task
Power is force/area
Work is force/area
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mr. B's and Mr. P's classes competed in a game of tug of war. Mr. B's class pulled to the right with a force of 4,000 N. Mr. P's class pulled to the left with a force of 5,000 N. As a result the rope moved 5.1 m to the left. How much work was done by the net force?
4100 J
3100 J
5100 J
45900 J
Tags
NGSS.HS-PS2-1
NGSS.HS-PS3-1
NGSS.HS-PS3-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rank the scenarios from least to greatest kinetic energy right before they hit the ground
2<3<1<4
2<1<3=4
2<1<3<4
1=2=3=4
Tags
NGSS.MS-PS3-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In which of the following situations do your arms do work on books?
holding a heavy stack of books while standing
carrying a heavy stack of books
dropping a stack of books onto a table
picking up a pile of books from the floor
Tags
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A 5000N block is lifted 10 m. Calculate the work done.
50000 J
5000 J
500 J
50 J
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A 10 kg mass is lifted to 3 m. What is its weight? What is its potential energy? How much work is being done?
Weight = 30 N
PE = 30 J
Work = 294 J
Weight = 10 kg
PE = 10 J
Work = 30 J
Weight = 98 N
PE = 294 J
Work = 294 J
Weight = 98 N
PE = 294 J
Work = 30 J
Tags
NGSS.MS-PS3-2
NGSS.MS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the definition of power?
Power is the product of force and velocity.
Power is the product of force and work done per unit time.
Power is the product of force per unit time and velocity.
Power is the rate at which work is done.
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