Explanation:
Work and Power Variables and Units
Name Variable Unit Unit Abbreviation
Work W Joules J
Power P watt W
Time t seconds s
Work and Power Equations
Work Equation Facts
Work is force applied over a distance
Work is only done if an object moves
When applying force to an object that does not move, there is no work done. No matter how hard you push a wall, if it does not move, you do no work.
Work Equation
Work is only done by the component of force in the same direction of motion
If motion is up at a constant rate, the force is equal to the magnitude of weight of an object lifted
(Fw = mg) and g is the acceleration due to gravity (g = 10 m/s2).
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Answers & Comments
Explanation:
Work and Power Variables and Units
Name Variable Unit Unit Abbreviation
Work W Joules J
Power P watt W
Time t seconds s
Work and Power Equations
Work Equation Facts
Work is force applied over a distance
Work is only done if an object moves
When applying force to an object that does not move, there is no work done. No matter how hard you push a wall, if it does not move, you do no work.
Work Equation
Work is only done by the component of force in the same direction of motion
If motion is up at a constant rate, the force is equal to the magnitude of weight of an object lifted
(Fw = mg) and g is the acceleration due to gravity (g = 10 m/s2).