Force, Work, and Power
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
Used 3+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following is having work done on it? (select all that apply)
grocery bag as you lift it up
a crane moving dirt
a person sitting on a bench
a crate as you push it along the floor
Tags
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A crane does work of 13,500 J with a force of 5200 N to lift a beam. How far was the beam lifted?
It was not lifted.
10 m
2.6 m
5 m
Tags
NGSS.MS-PS3-5
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A 50-kg person runs up the stairs 10 meters high in 2 minutes. Acceleration due to gravity (g) is 9.81 m/s2. Determine the power.
490.5 W
2,452.5 W
4,905 W
40.875 W
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the power required of a 60-kg person climbs a tree 5 meters high in 10 seconds. Acceleration due to gravity is 9.81 m/s2.
294.3 W
588.6 W
2,943 W
98.1 W
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If it takes 50 J of work to climb a set of stairs, how fast would you have to climb them to use 5 Watts of power?
2 s
5 s
9 s
10 s
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As distance increases, work ______________
increases
decreases
remains constant
is not affected
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is done only when a force cause an object to move in the same direction as the force applied to it
Force
Work
Power
Acceleration
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