Acceleration

Classical Mechanics Level 1

A man is pulling a box. It creates a 20 N 20\text{ N} fiction. If the man gives 100 N 100\text{ N} to pull the box and the mass of the box is 40 kg 40\text{ kg} , what is the acceleration of the box?

40 m/s 2 40\text{ m/s}^2 4 m/s 2 4\text{ m/s}^2 2 m/s 2 2\text{ m/s}^2 20 m/s 2 20\text{ m/s}^2

Dhira Tengara by Dhira Tengara , 19, Indonesia

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1 solution

Dhira Tengara
Mar 21, 2016

The resultant force is 100N-20N=80N

So, the acceleration is 80N/40kg=2m/s²

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