Question

If Sue uses a force of 80 N to move a box that had a mass of 35 kg a distance of 25 m, how much work did she do?

Answer 1

\[\large F = ma\]
\[\large F = 35kg \times 9.81 m/s^2 = 343.35N\]

Now

\[\large W = Fd = 343.35N \times 25m = 8583.75 J\]

or

\[\large 8.57375 kJ\]

Answer 2

The above solution is wrong!!!

Answer 3

U hv to use force F=80N

Answer 4

W=Fd=80*25=?joule

Answer 5

yeah I think that's right ^^

Answer 6

F = 80 cos(a) N ... given that a is the angle between the direction of force and the direction of movement.