Work, energy and power
Assessment
•
Boo Khoo
•
Physics
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12th Grade
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24 plays
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Hard
Student preview
21 questions
Show answers
1.
Multiple Choice
Define work done
product of force and distance moved
product of force and displacement
force x perpendicular distance from pivot
ratio of force and distance moved in direction of force
2.
Multiple Choice
What is the unit of work?
N m-1
kg m s¯²
kg m² s¯²
kg m² s¯³
3.
Multiple Choice
What is potential energy?
energy stored due to height above the surface of Earth
stored energy available to do work
energy a body has due to its motion
energy stored due to deformation
4.
Multiple Choice
Distinguish between gravitational potential energy (GPE) and elastic potential energy (EPE).
I. GPE the energy stored due to height of object above the surface of Earth
II. EPE is due to deformation of object.
III. Both are stored energy available to do work
I, II, III
I and II
I and III
III only
5.
Multiple Choice
A
B
C
D
6.
Multiple Choice
404 μJ
404 mJ
404 J
404 kJ
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