work done Flashcards
1
Q
what is work done
A
the transfer of energy by a force
2
Q
what is the formula for work done
A
W = F*s
3
Q
what is the F and s in the formula
A
force and distance
4
Q
what units are F and s in
A
F = newtons and s = metres along force direction
5
Q
how do you calculate force
A
F = m*a
6
Q
what is m and a in force equation
A
m = mass in kg a = acceleration m/s^2
7
Q
when does W (weight N) = F
A
when there is only gravity acting on the object
8
Q
what is the different type of work done
A
work done when current flows
9
Q
what is the formula for work done when current flows
A
E = Q*V
10
Q
what is Q
A
charge flow in coloumbs
11
Q
what is V
A
potential difference
