A toy train of mass moving at is brought to rest by a constant force over a distance of .

PHYSICS · Multi-part · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A toy train of mass

750\,\text{g}

moving at

1.5\,\text{m s}^{-1}

is brought to rest by a constant force over a distance of

8.0\,\text{m}

. (1) Calculate the work done by the force. (2) Calculate the magnitude of the force.