An electric motor creates a tension of $4500$ newton in a hoisting cable and reels it in at the rate of $2 m/sec. $ What is the power of electric motor
An electric motor creates a tension of $4500$ newton in a hoisting cable and reels it in at the rate of $2 m/sec. $ What is the power of electric motor
$15 kW$
$9 kW$
$225 W$
$ 9000 HP$
An electric motor creates a tension of $4500$ newton in a hoisting cable and reels it in at the rate of $2 m/sec. $ What is the power of electric motor
$P = Fv $ $ = 4500 \times 2 = 9000\,W = 9\,kW$
Other Language