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 ___.

90 k g

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10 k g

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40 k g

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50 k g

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Solution

The correct option is B $10 k g$
Given:
Acceleration, $a = 3 m s^{- 2}$
Force applied, $F = 30 N$

Let the mass of the body be $m$ .

From Newton's second law of motion:
$F = m a$
$30 = m \times 3$
$m = 10 k g$

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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 ___.

The correct option is B 10 kgGiven: Acceleration, a=3 ms−2 Force applied, F=30 N Let the mass of the body be m. From Newton's second law of motion: 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 ___.

The correct option is B $10 k g$
Given:
Acceleration, $a = 3 m s^{- 2}$
Force applied, $F = 30 N$

Let the mass of the body be $m$ .

From Newton's second law of motion:
$F = m a$
$30 = m \times 3$
$m = 10 k g$