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

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Solution

The correct option is B 10
Let m be the mass of the body.
Let the force applied on the object be $F$ with acceleration $a$
Given : force applied, $F = 30 N$ and acceleration $a = 3 {m s}^{- 2}$ .
From the second law, $F = m a$ .
$\Rightarrow$ $30 = m \times 3$ .
$\Rightarrow$ $m = 10 k g$ .

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

The correct option is B 10Let m be the mass of the body. Let the force applied on the object be F with acceleration a Given : force applied, F=30 N and acceleration a=3 ms−2. From the second law, F=ma. ⇒ 30=m×3. ⇒m=10 kg.

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

The correct option is B 10
Let m be the mass of the body.
Let the force applied on the object be $F$ with acceleration $a$
Given : force applied, $F = 30 N$ and acceleration $a = 3 {m s}^{- 2}$ .
From the second law, $F = m a$ .
$\Rightarrow$ $30 = m \times 3$ .
$\Rightarrow$ $m = 10 k g$ .