Question

ANS MY QUESTION GUYS a constant force acting on a body of mass 3kg changes its speed from 2 metre second - 12 3.5 second -1 in 25 seconds the direction of motion of the body remains unchanged what is the magnitude of direction of the force ...?​

Answer 1

Explanation:

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Answer 2

Solution :

Here m=3kg,u=2m/s,υ=3.5m/s,t=25s,F=?

As

F=ma=am

(υ-u)

t

∴F={3(3.5-2)}/25

=0.18N

As direction of motion does not change and magnitude of velocity in increases , therefore , must be along the direction of motion.

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