Question

A force of 16N act on a ball mass 80g from 1sec . Calculate the acceleration and the impulse

Answer 1

Here's the answer
m= 80g= 0.08kg
F= 16N

F=ma
16=0.08×a
a=16/0.08= 200m/s^2

F= I/t
16= I/1
I= 16kg-m/s

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Answer 2

The acceleration and the impulse is $200\ m/s^2$ and 16 N-s respectively.

Explanation:

It is given that,

Force acting on the ball, F = 16 N

Mass of the ball, m = 80 g = 0.08 kg

Time, t = 1 s

To find,

Acceleration and the impulse,

Solution,

Second law of motion gives the relation between force, mass and acceleration. It is given by :

$F=ma$

$a=\dfrac{F}{m}$

$a=\dfrac{16\ N}{0.08\ kg}$

$a=200\ m/s^2$

Impulse is given by the product of force and time such that,

$J=F\times t$

$J=16\ N\times 1\ s$

J = 16 N-s

So, the acceleration and the impulse is $200\ m/s^2$ and 16 N-s respectively. Hence, this is the required solution.

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Second law of motion

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