An object moves with an acceleration of $3 m s^{- 2}$ when a force of $30 N$ is applied. Find the mass of the body.

20 k g

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30 k g

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10 k g

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40 k g

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Solution

The correct option is C $10 k g$
Given, acceleration of the object, $a = 3 m s^{- 2}$ and force applied, $F = 30 N$ .
Let mass of the object be 'm'.

Using Newton's second law of motion:
$F = m a \Rightarrow m = \frac{F}{a}$ $= \frac{30}{3} = 10 k g$
Therefore, the mass of the body is $10 k g$

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An object moves with an acceleration of 3 ms−2 when a force of 30 N is applied. Find the mass of the body.

The correct option is C 10 kgGiven, acceleration of the object, a=3 ms−2 and force applied, F=30 N. Let mass of the object be 'm'. Using Newton's second law of motion: F=ma⇒m=Fa =303=10 kg Therefore, the mass of the body is 10 kg

An object moves with an acceleration of $3 m s^{- 2}$ when a force of $30 N$ is applied. Find the mass of the body.

The correct option is C $10 k g$
Given, acceleration of the object, $a = 3 m s^{- 2}$ and force applied, $F = 30 N$ .
Let mass of the object be 'm'.

Using Newton's second law of motion:
$F = m a \Rightarrow m = \frac{F}{a}$ $= \frac{30}{3} = 10 k g$
Therefore, the mass of the body is $10 k g$