A force of 110N is applied horizontally to the handles of a lawnmower to move it at a speed of 0.80m/s across a lawn, Find the power used to mow the lawn.

Question

asked Apr 6, 2017 77.0k views

1 Answer

Trcx · Answer 1 · 2017-04-12T06:59:52+0000

Answer:

88 watt

Step-by-step explanation:

The rate of doing work is defined as power.

Its SI unit is watt.

The formula for power is given by

P = work / time

P = force × distance / time

P = force × velocity

P = 110 × 0.8

P = 88 watt