DianSharrar DianSharrar

29-08-2014
Physics

Answered

Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.

Verified Answer :

TaylorBayley TaylorBayley

29-08-2014

f=ma where f is force, m is mass, and a is acceleration.

The net force is 40-24=16N and the box is 8kg.

You can rearranage f=ma to make a the subject by dividing by m, so f/m=a

16/8=2m/s^2

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