Question

For a body moving with a velocity 2m/s on a frictional plane, a force of 2.5 N is required to maintain
its velocity. The power generated by the force will be :
(A) 2 Watt
(B) 2.5 Watt
(C) 10 Watt
(D) 5 Watt​

Answer 1

Answer:

(D) 5 Watt

Explanation:

Data:

v=2 m/s

F=2.5 N

P=?

Solution:

As we know that:

Power = Force × Velocity

P = F × v

P = 2.5 × 2

P = 5 Watt

Answer 2

Answer:

(D)5 Watt

Explanation:

Given:

$F = 2.5 N \\ </p><p></p><p>v = 2 m/s </p><p>$

We know that ,

$Power = Force × Velocity \\ </p><p></p><p>P = 2.5 × 2 = 5 Watt$

Hope this helps !!

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