Q. 54.6( 13 Votes )

# Two blocks of equal mass m are tied to each other through a light string. One of the blocks is pulled along the line joining them with a constant force F. Find the tension in the string joining the blocks.

Answer :

For block 1, equation of motion can be written as,

For block 2, equation of motion can be written as,

Thus, from both the equation we get,

Thus,

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PREVIOUSA block of mass 0.2 kg is suspended from the ceiling by a light string. A second block of mass 0.3 kg is suspended from the first block through another string. Find the tensions in the two strings. Take g = 10 m/s2.NEXTA particle of mass 50 g moves on a straight line. The variation of speed with time is shown in figure (5-E1). Find the force acting on the particle at t =2, 4 and 6 seconds.

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