Question

An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate

the force required to produce this acceleration.
​

Answer 1

f=ma

f=300*4=1200kg ms2

Answer 2

The force required to produce this acceleration is 1200 N.

Explanation:

It is given that,

Mass of the object, m = 300 kg

Acceleration of the object when it is moving, $a=4\ m/s^2$

If F is the force required to produce this acceleration. It is given by using second law of motion as :

$F=m\times a$

$F=300\ kg\times 4\ m/s^2$

F = 1200 N

So, the force required to produce this acceleration is 1200 N. Hence, this is the required solution.

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Second law of motion

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