Work and power Flashcards
1
Q
when is work done and what is it
A
work is done whenever force is used to move an object and it is a measure of the energy used to move the object
2
Q
what are the two factors that affect work
A
the work done is determined by the size of the force and the distance the object moves
3
Q
what is the formula for work
A
w = fs
4
Q
what is power in physics
A
in physics power is the rate at which work is being done
5
Q
what does power show
A
it shows how fast the energy is being used
6
Q
what is the formula for power
A
it p =w/t