Question

Calculate the net force acting on a body of mass 10 kg moving with a uniform velocity of 2ms-1

Answer 1

The net force acting on the body would be zero as it is moving with a uniform velocity, it experiences no (net) acceleration.

We have from Newton's Second Law

Fnet = ma = m(dv/dt)

as dv/dt = a = 0 [uniform velocity]

so,

Fnet = 0

Answer 2

Hey!

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Given,

Mass = 10 kg
Velocity = 2 m/s
Net force = ?

Net force will be 0 . This is because an object moving with a uniform speed has zero net acceleration, as there is no change in velocity.

And according to Newton's second law of motion, we know, Acceleration is directly proportional to Force.

If acceleration = 0
Force = Mass × Acceleration
Force = Mass × 0
Force = 0

Thus, Net force acting on the body is 0.

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Hope it helps...!!!