An electric motor delivers a constant power of to move a conveyor belt that runs at

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

Problem

An electric motor delivers a constant power of

1.5\,\text{kW}

to move a conveyor belt that runs at

2.0\,\text{m/s}

. What is the greatest constant opposing force the motor can overcome while keeping the belt running at this speed? (a)

3\,000\,\text{N}

(b)

750\,\text{N}

(c)

75\,\text{N}

(d)

375\,\text{N}