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A solid sphere of mass 2kg is resting inside a cube as shown in the figure. The cube is moving with a velocity \large \vec v = (5t\hat i + 2t\hat j)m{s^{ - 1}}. Here t is time in seconds. All surfaces are smooth. The sphere is at rest with respect to the cube. What is the total force exerted by the sphere on the cube?

a
26N
b
16N
c
20N
d
18N

detailed solution

Correct option is A

Fx = max = 10NFy = mg + may = 20 + 4 = 24N

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