Work, energy and power Flashcards
1
Q
What is the definition of work done?
A
The product of force and the distance moved in this direction, W=Fx or W=Fxcostheta
2
Q
When is work done a maximum?
A
When angle is equal to zero degrees which means the force is parallel to the displacement since cos of zero degrees is equal to 1
3
Q
What is the principle f conservation of energy?
A
Energy cannot be created or destroyed, it can only be transferred from one form to another
4
Q
What is the formula for potential energy?
A
mgh
5
Q
A
