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Concepts
Formula
Unit
Conversation of Energy
Calculation
100
The energy created when an object is moving
What is kinetic energy
100
Kinetic Energy
What is K = (m*v^2)/2
100
The unit of Energy
What is J
100
The initial energy of an object is is equal to the final enery of an object.
What is the Conservation of Energy Theorem?
100
Kinetic Energy of a mass of 1.2 kg which is moving 5 cm/s
What is K = 0.0015 J
200
The energy when an object is at some high level
What is potential energy
200
Potential Energy
What is U= m*g*h
200
The unit of energy other than Joule
What is Nm
200
A brief equation of the Conservation of Energy Theorem
What is ∑ E = const
200
Potential Energy of a mass of 1.2 kg when it is 3 m above the ground
What is 35.28 J
300
This energy is associated with a spring
What is elastic energy
300
Elastic Energy
What is E= (k* x^2)/2
300
The unit of Energy in the International Unit System
What is kg * (m^2)/(s^2)
300
An object is moving down from the top of an inclined surface. Assume that the surface is friction-less. How to present the conservation energy theorem at 2 positions: one at the top of the surface and one at the bottom of the surface
What is K-top + U-top = K-bottom + U-bottom
300
Elastic Energy stored in a spring with spring constant 400 N/m when it is compressed 2 cm from its equilibrium position
What is 0.08 J
400
A ball is throwing upward with no air resistance. At its highest height, what energy is involved?
What is Potential Energy
400
The formula for average power.
What is W/ΔT? (Work divided by change in time.)
400
The units of power?
What is W (watt)?
400
A type of force which causes an object to lose energy.
What is friction?
400
The average power required to raise a 10kg object up a distance of 10m in 10s.
What is 98 W?