Topic 4 - Work and Power Flashcards
1
Q
when a force moves an object through a distance…
A
work is done on the object and energy is transferred
2
Q
what is needed for an object to move?
A
force needs to act on it
3
Q
what does an object need to apply force?
A
a source of energy
4
Q
what is the formula for work done?
A
work done = force x distance moved
5
Q
what is power?
A
the rate at which energy is transferred
6
Q
what is the formula for power?
A
power = work done / time taken
7
Q
what is work done equivalent to?
A
energy transferred
