Question

a force of 20 N is applied on a body so that it attains a velocity of 10 m/s in 2 s. what is the mass of the body?

Answer 1

Answer on Question #63228 - Physics - Mechanics | Relativity

a force of $20 \, \text{N}$ is applied on a body so that it attains a velocity of $10 \, \text{m/s}$ in 2 s. what is the mass of the body?

Answer

$$F = m \times a = m \times \frac{\Delta V}{t}$$ $$m = \frac{F \times t}{\Delta V}$$ $$m = \frac{20 \, \text{N} \times 2 \, \text{s}}{10 \, \text{m/s}} = 4 \, \text{kg}$$

Answer: 4 kg.

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