Unit 3 Quiz 3
Dr. Burton, V., Section 1, Physics, Spring A 24/25 / Unit 3 - Various Forces
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1.
Choose the best answer.
In this picture, the rock (A) on the edge of the cliff has _____ energy.
Picture of rock on cliff
potential
kinetic
pure
mechanical
2.
Choose the best answer.
The barrel moved a certain distance. Therefore, the rock's mechanical energy did perform work. If this work was completed in 0.3 seconds, you can determine the _____ used to move the barrel.
Picture of rock on cliff
work
time
distance
power
3.
Choose the best answer.
Someone applies a force that pushes the rock off the cliff. The rock falls due to _____.
Picture of rock on cliff
gravity
tangential speed
rotational inertia
torque
4.
Choose the best answer.
The watt is 1 joule of work performed in 1 _____.
second
newton
horsepower
ampere
5.
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The formula to determine a closed system's mechanical energy is _____.
6.
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The rock's potential energy is ____ kinetic energy.
Picture of rock on cliff
added to
multiplied by
converted to
subtracted from
7.
Choose the best answer.
In this picture, the rock (A) on the edge of the cliff has energy because it is held against a _____.
Picture of rock on cliff
torque
force
momentum
work
8.
Choose the best answer.
The barrel moved a certain distance. Therefore, the rock's mechanical energy did perform work. The formula need to calculate the power would be _____.
Picture of rock on cliff
9.
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The rock hits one arm of the seesaw, which moves due the rock's _____ energy.
Picture of rock on cliff
potential
elastic
electromagnetic
kinetic
10.
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The barrel moved a certain distance. Therefore, the rock's mechanical energy did perform _____.
Picture of rock on cliff
sound
light
power
work
11.
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The barrel moved a certain distance. Therefore, the rock's mechanical energy did perform work. The formula that shows this is _____.
Picture of rock on cliff
12.
Choose the best answer.
Besides joules, work can be measured in _____.
ft-lb
watt
gram
m/s2
13.
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To move a force of one newton one meter requires one _____ of work.
joule
m/s2
gram
watt
14.
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The SI unit for work is the _____.
joule
m/s2
newton
watt
15.
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The rock's kinetic energy plus its potential energy act as _____ energy to perform work by the moving barrel.
Picture of rock on cliff
nuclear
mechanical
rotating
pure
16.
Choose the best answer.
The SI unit for power is the _____.
watt
horsepower
newton
ampere
1 answer
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