2569800
Descrição
Mapa Mental por Noah Swanson, atualizado more than 1 year ago
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Criado por Noah Swanson
aproximadamente 9 anos atrás
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Work & Power
- KINETIC ENERGY ( KE )
- KE = Energy of Movement
- Measured in Joules ( It's Energy )
- Measured in Joules ( It's Energy )
- KE = 1/2 x mass x speed(sq)
- KE = Energy of Movement
- WORK DONE
- Work Done = Energy Transfered
- Measured in Joules ( J )
- Measured in Joules ( J )
- Work Done = Force X Distance Moved
W = FD
- If a car is pushed 5m with a force of 340N
how much work has been done to it?
- ANSWER:
- W = 5 x 340
- = 1700J
- W = 5 x 340
- ANSWER:
- If a car is pushed 5m with a force of 340N
how much work has been done to it?
- Work Done = Energy Transfered
- POWER
- Power = The rate of doing Work
- Measured in Watts ( W ) or J/s
- Measured in Watts ( W ) or J/s
- Power = Work Done / Time Taken
- If a bulb outputs 10J of energy in 1min.
Find its power
- ANSWER:
- P= 10/60
- = 1/6
- P= 10/60
- ANSWER:
- If a bulb outputs 10J of energy in 1min.
Find its power
- Power = The rate of doing Work
- GRAVITATIONAL POTENITAL
ENERGY ( GPE )
- GPE = Stored Energy
- The stored energy is given to the object when it is raised
up and only released when the object falls again
- The stored energy is given to the object when it is raised
up and only released when the object falls again
- GPE = Mass x g(10) x height
GPE = mgh
- GPE = Stored Energy
- GPE --> KE
- Falling objects convert GPE into KE
- The KE Gained
- =
- GPE Lost
- The KE Gained
- Falling objects convert GPE into KE
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