Navigate

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power of the source is

Options

(a) 20 W
(b) 25 W
(c) 40 W
(d) 50 W

Correct Answer:

20 W

Explanation:

Velocity, v = displacement / time = 6/3 = 2 m/s

.·. Power, P = Fv = 10 × 2 = 20 W

OA2006
admin:

Related Questions

  1. A police jeep is chasing a culprit going on a motorbike.The motorbike crosses
  2. An electron in the hydrogen atom jumps from excited state n to the ground state
  3. A series combination of resistor (R), capacitor (C), is connected to an AC source
  4. Two identical thin plano-convex glass lenses (refractive index 1.5) each having
  5. For the action of a common Base (CB) transistor, (E=emitter, B= base, C= collector)