The force of gravity acting on a child's mass on earth is 490 newtons. what's the child's mass?

asked Dec 15, 2018 136k views

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The force of gravity acting

on a child's mass on earth is 490 newtons. what's the child's mass?

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6 votes

F = m • a

What we know:
- Gravity: 9.8 m/s
- Force: 490 N

Equation derived:
m = F/a
m = 490/9.8
= 50 kg

Brookr answered Dec 17, 2018

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4 votes

50 kg because e = mc2

Omer Khalid answered Dec 20, 2018

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