Two blocks are connected by a light cord passing over a small, frictionless pulley as shown in the figure. Block A has mass 5.00 kg and block B has mass 4.00 kg. If block B descents at a constant acceleration of 2.00 m/s^2 when set in motion, what is the coefficient of kinetic friction between block A and the table. 0.23 1.02 0.12 0.21 0.43 O O O
Mechanical Equilibrium: A body is said to be in mechanical equilibrium if it satisfies the following conditions
1. The net force in the x-direction is zero
2. The net force in the y-direction is zero
3.The sum of the moments about any point is zero
Sign conditions: Forces in the positive x-direction are taken as positive and forces in the negative x-direction are taken as negative.
For the y-axis also same conditions are taken as the x-axis
Clockwise moments are taken as positive and anticlockwise moments are taken as negative.
Given Data: the mass of the block B is mB = 4 kg
The mass of block A is mA = 5 kg
Let T be the tension in the cord
Acceleration a = 2 m/s2
Drawing the free body diagram of the block B
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