5.72 Block A in the figure ( Figure 1 ) weighs 63.4 N . The coefficient of stati

Question

5.72

Block A in the figure (Figure 1) weighs 63.4N . The coefficient of static friction between the block and the surface on which it rests is 0.27. The weight w is 12.1Nand the system is in equilibrium.

Find the friction force exerted on block A.

Find the maximum weight for which the system will remain in equilibrium.

Block A in the figure (Figure 1) weighs 63.4N . The coefficient of static friction between the block and the surface on which it rests is 0.27. The weight w is 12.1Nand the system is in equilibrium. Find the friction force exerted on block A. Find the maximum weight for which the system will remain in equilibrium.

Explanation / Answer

T = wg

=>T= 12.1FOR THE SYSTEM TO BE IN EQUILIBRIUM f = 12.1 N

for MAXIMUM WEIGHT

m= 12.1/0.27*9.8

m =4.57 kg

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