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Grade: 11

                        

The person applies F force horizontally on the smaller block as shown. The coeffecient of friction is u between the blocks and the surface. Find the force exerted by thevertical wall on mass M. What is the value of action-reaction forces between m and M?

4 years ago

Answers : (1)

Vikas TU
12121 Points
							
Let N1 , N2 and N3 be the normal forces acting b/e (man and m), (m and M) and (M and wall) respectively.
Draw seoarate FBDs of each block.
For block m,
F – N2 – f = 0
For block M
N2 – N3 – f = 0
f = umg and uMg respectively.
solve for N2.
 
4 years ago
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