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PE Definition Stored Energy Energy due to position.

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Presentation on theme: "PE Definition Stored Energy Energy due to position."— Presentation transcript:

1 PE Definition Stored Energy Energy due to position

2 PE Formula The formula for calculating potential energy is mgh. The three factors that determine the amount of potential energy in an object are mass, gravitational acceleration, and height of an object.

3 PE Measurements PE = Joules Mass = kg Weight=Newtons
Gravitational pull = m/s2 Height = m

4 Potential Energy = Mass x 9.8 m/s2 x Height
PE Formula Potential Energy = Mass x 9.8 m/s2 x Height Gravitational PE = WxH

5 PE Info: PE = mass x gravitational acceleration (9.8m/s2) x height
OR Gravitational PE= Weight X Height Energy= joules Weight= Newton Mass= kilograms Velocity= m/s Gravitational acceleration= (9.8 m/s2)

6 KE Definition Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of particles.

7 KE Formula KE= ½ . M . (v2 ) Two factors that determine KE in an object are Mass and Velocity *reminder: velocity = speed

8 KE Measurements Energy= joules Weight= Newton Mass= kilograms
Velocity= m/s Gravitational acceleration= (9.8 m/s2)

9 KE If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared. Kinetic energy is usually measured in units of Joules (J); one Joule is equal to 1 kg m2 / s2

10 KE = ½ m v (2) PE = mass x gravitational acceleration (9.8m/s2) x height or weight x height

11 Energy = joules Weight = Newtons Mass= kilograms Velocity = m/s Gravitational acceleration = 9.8 m/s2


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