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Grade: 11

                        

Two bodies having the same mass 5 kg each have different surface area 20 m square in 10 M per square in contact with a horizontal plane the coefficient of friction is 0.4 the force of friction that come into play when they are in motion will be in the ratio

2 years ago

Answers : (1)

Himanshu Rathour
119 Points
							
Normal reaction exerted by plane on each body=N=mg=5g
Friction force exerted by plane on each body=uN=0.4(5g)...(1)
From 1 we can see that friction force does not depend on surface area
Therefore ratio of friction on each body=1
 
 
2 years ago
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