First slide

Different types of Forces

Question

Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension is the string is (Take g = 10m/s²)

Moderate

A

0 N
B

1 N
C

2 N
D

5 N

Solution

Since the string is inextensible , magnitudes of acceleration of the blocks are the same.
From fig (1) , T = 1 X a ....................(1)
From fig - (2) , 10 -T = 1 X a ....................(2)
Solving , T = 5 N

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