Power, Energy, Work Flashcards
1
Q
Work definition
A
Work is using a force to cause a motion. A force exerted over distance.
2
Q
Energy definition
A
Energy is the ability to cause change or do work. A condition.
3
Q
Power Formula (Watts)
A
Power = Work / Time
4
Q
Work Formula (Joules)
A
Work = Force x Distance
5
Q
Joule Formula
A
Joule = 1 Newton x 1 Meter
6
Q
How do inclined planes work?
A
They take the same amount of work, just stretched over time.
7
Q
What is required for work to be done?
A
- ) The object must move
2. ) The force must be in the direction of that motion
8
Q
What is a Watt?
A
1 watt is enough power to lift 1 Newton, 1 meter, in 1 second,
9
Q
Power definition
A
Power is the amount of work that is done in a unit of time, how fast work gets done.
