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Grade: 9

                        

A block of mass 3 kg is pressed against a rough vertical wall by applying a horizontal force of 40N.The net force by the wall on the block is 1)30 2)40 3)50 4)70 Fastly with appropriate answer (step wise)

3 years ago

Answers : (1)

SIDDHARTH
34 Points
							
a force of gravity is acting downward of 30 N & 40 N horzontally so net force will be root of 30^2 + 40^2 ie total force =50N
 
3 years ago
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