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 D 10
Let m be the mass of the body.
Given : force , F = 30 N and acceleration, a = $3 m s^{- 2}$ .
From the second law of motion, $F = m \times a$ .
Substituting the values,we get, $30 = m \times 3$ .
$\Rightarrow$ m = 10 kg.
Therefore, the mass of the body is 10 kg.

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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 D 10Let m be the mass of the body. Given : force , F = 30 N and acceleration, a = 3 ms−2. From the second law of motion, F=m×a. Substituting the values,we get, 30=m×3. ⇒m = 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. The mass of the body is ___ kg.

The correct option is D 10
Let m be the mass of the body.
Given : force , F = 30 N and acceleration, a = $3 m s^{- 2}$ .
From the second law of motion, $F = m \times a$ .
Substituting the values,we get, $30 = m \times 3$ .
$\Rightarrow$ m = 10 kg.
Therefore, the mass of the body is 10 kg.