karrywong karrywong

16-12-2019
Physics

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A 5kg mass is pulled along a table at a constant velocity by a 10N force.Find the force required to produce an acceleration of 5m/s^2

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parnian parnian

16-12-2019

Answer:35N

Explanation:

in the first state the velocity is constant so.. F(net)=0=F1-f(friction)

F1=f(friction)=10N

in the second state... F(net)=ma=F2-f(friction)=5*5

F2=25+10=35

The friction force is the same in both states

Hope you understand!

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