An object is pulled along a straight line by a constant force that makes an angle of…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

An object is pulled

3.0\,\text{m}

along a straight line by a constant

5.0\,\text{N}

force that makes an angle of

120^{\circ}

with the displacement direction. Calculate the work done on the object and state whether the object’s kinetic energy increases or decreases.