A cart experiences a constant force of toward the east

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A cart experiences a constant force of

50\,\text{N}

toward the east, but it rolls

2\,\text{m}

toward the west. The work done by the force on the cart is (a)

100\,\text{J}

(b)

0\,\text{J}

(c)

-100\,\text{J}

(d)

-50\,\text{J}