
Quiz on work and energy
Authored by Chad Andrade
Physics
University
Used 5+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Work is done when:
the object you apply a force on is displaced
any force is applied to an object, regardless of whether it moves
the force is zero
the force and direction of motion are perpendicular
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the net work done on an object is positive, what can you conclude about the object's motion?
The object is speeding up.
The object is moving with a constant velocity.
The object is slowing down.
The object is at rest; its position is constant.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
if you push a cart with a force of 60 N resulting in 120 J of work, how far did you move the cart?
7200 m
0 m
2 N
2 m
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ability to do work is called:
energy
force
power
machine
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of energy called?
Joules
meters
newtons
grams
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which has MORE kinetic energy?
a 2 kg ball moving at 2 m/s
a 1 kg ball moving at 4 m/s
The 2 kg ball
The 1 kg ball
They have the same KE
There is no way of knowing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you rub your hands together on a cold day, you use friction to convert:
Mechanical energy into thermal energy
Thermal energy into nuclear energy
Nuclear energy into electrical energy.
Electrical energy into radiant energy
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