Question

A force of 80 Newton acting on a certain mass for 3.0 second given it a velocity of 6.0 metre per second find the mass of the body if the body was initially at rest ?

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Answer 1

We have,

80N force acts on a object

Force acts for 3 seconds

Intially, the object was at rest

Due to force, the object gains a velocity of 6 m/s

We know that,

Force = mass × acceleration

= F = ma

= F = m × v-u/t

= 80 = m × 6-0/3

= 80 = m × 2

= 80/2 = m

= 40 = m

Therefore, the mass of the object is 40 kg.

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Answer 2

Answer:

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