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ch8 work and machine
Question | Answer |
---|---|
Work is...... | when a force cause an object to move in the direction of the force. |
Kinetic Energy is.... | the energy of motion |
What 2 things happen for work to be done? | force and energy |
Explain how both sets of climbers are using the SAME amount of work even though one is climbing straight up in the mountain and the others are walking up the side. | the same amount of force so being used, but just using less force. So because they both end up at the same place either way the work done is the same |
What is the work formula? | W=f x d |
Joule is.... | the unit used to measure energy(j) |
What is the power formula? | P= w/t |