Wednesday
October 22, 2014

Homework Help: Physics

Posted by Kate on Sunday, February 28, 2010 at 4:46pm.

Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of which passes over a frictionless pulley of negligible mass, as shown above. Calculate each of the following.

a. The acceleration of the 4 kilogram block

b. The tension in the string supporting the 4 kilogram block

c. The tension in the string connected to the l kilogram block

This is an atwood's machine were on the left side there is the 2.0 kg block and the 1.0 kg block

on the right side is the 4.0 kg block

can you tell me if my answers are correct

a 2.5 m/s^2

b 39 N

Thanks

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