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Question: A box weighing 20 kg is being pulled along a wooden floor with a force of 500 N. If µ<sub>k</sub> = ...

A box weighing 20 kg is being pulled along a wooden floor with a force of 500 N. If µk = 0.5, the acceleration of the block is [g = 10 m/s2]

A

5 m/s2

B

25 m/s2

C

20 m/s2

D

12.5 m/s2

Answer

20 m/s2

Explanation

Solution

a = 500−fkm\frac { 500 - \mathrm { f } _ { \mathrm { k } } } { \mathrm { m } }