Potential & Kinetic Energy

QuizÂ by Greg Michalak

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10 questions
• Q1
What is the difference between potential and kinetic energy
Kinetic: Position; Potential: Motion
Potential: Position; Kinetic: Motion
Potential & Kinetic = Position
Kinetic & Potential = Motion
30s
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• Q2
45s
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• Q3
Which object will have the most kinetic energy?
Small object moving slowly
Large object moving quickly
Small object moving quickly
Large object moving slowly
30s
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• Q4
45s
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• Q5
Mechanical energy is
PE * KE
PE / KE
PE - KE
PE + KE
30s
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• Q6
What happens to the magnitude of mechanical energy (ME) as an object converts energy between potential and kinetic energy.
ME decreases
ME stays the same (conserved)
ME increases
ME changes exponentially as position changes
30s
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• Q7
Which point (WXYZ) has the potential energy (PE)?
Z
X
Y
W
30s
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• Q8
Which point would have the highest kinetic energy (KE)?
X
Z
Y
W
30s
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• Q9
Where will mechanical energy be the highest?
It's the same at all points.
W - highest point on coaster
X - highest velocity
Z - End of the ride
30s
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• Q10
What does conservation of energy mean?
Energy converts between potential and kinetic (if not lost due to friction).
Kinetic energy carries the potential
Everything is lost to friction or air resistance so nothing is saved.
Potential saves the kinetic energy
30s
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