Work and Power Flashcards
(7 cards)
1
Q
What is Work
A
the energy transferred to or from an object when a force is applied to it
2
Q
What is Power
A
the rate at which work is done or energy is transferred over time
3
Q
The unit for Work
A
Jules (J)
4
Q
The unit for power
A
Watts (W)
5
Q
What is the Equation for Power
A
P= t/W
T stands for Time in seconds, while the W stands for work done in joules
6
Q
Fill in the blank
The equation for Work is ________.
A
W = F × D
F stands for force, D stands for distance
If you don’t want to memorize this, just memorize the Work triangle: / W \
zzzzzz /F | S \
7
Q
What is energy
A
- Energy is the capacity to do work and exists in various forms
- It can be transformed from one form to another but cannot be created or destroyed
