Home
Class 11
PHYSICS
Figure shows three blocks of mass m each...

Figure shows three blocks of mass m each hanging on a string passing over a pulley. Calculate the tension in the string connecting A to B and B to C ?

Text Solution

Verified by Experts

Net pulling force
`= 2mg - mg = mg`
Total mass `= m+m+m=3m`
Acceleration, `a=(mg)/(3m)=(g)/(3)`
Considering block A,
`T_(1)-mg=ma`
or `T_(1)=mg+ma`
or `T_(1)=mg+m((g)/(3))`
or `T_(1)=(4)/(3)mg`,
Considering block C,
`mg-T_(2)=ma` or `T_(2)=mg-ma`
or `T_(2)=mg-(mg)/(3)=(2)/(3)mg`.
Promotional Banner

Similar Questions

Explore conceptually related problems

Figure shows three blocks of mass m each hanging on a string passing over a pulley. Calculate the tension in the string connecting A to B and B toC?

Three equal weights of mass m each are hanging on a string passing over a fixed pulley as shown in Fig. What are the tensions in the string connecting weights A to B and B to C?

Figure shows two blocks, each of mass 2kg, connected by a string passing over two pulleys. One block rests on a smooth horizontal surface and the other blockhangs vertically. Assume pullyes to be frictionless and massless. What is the tension in the string?