Science
posted by Nicholas .
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10msm2

The density of the motor bike cannot be calculated from the information provided.
The work done by the boy is
Force x Distance = 4500 Joules