Forces and Energy Flashcards
1
Q
What is ‘work done’?
A
The amount of energy transferred
- It is measured in joules (J)
2
Q
What is the equation for work done by a force?
A
Work done = Force x Distance moved in the direction of the force
E = F x d
3
Q
What is power?
A
The rate of work being done - or the rate at which energy is transferred
- It is measured in watts (W)
4
Q
What is the equation for power in terms of energy?
A
Power = Energy / time