Question
Asked Dec 17, 2019
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Two blocks of masses m
T1
and 2m are held in equilib-
rium on a frictionless incline
T2
as in Figure P4.57. In terms
of mand 0, find (a) the mag-
nitude of the tension T, in
the upper cord and (b) the
magnitude of the tension T,
in the lower cord connect-
ing the two blocks.
2m
Figure P4.57
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Two blocks of masses m T1 and 2m are held in equilib- rium on a frictionless incline T2 as in Figure P4.57. In terms of mand 0, find (a) the mag- nitude of the tension T, in the upper cord and (b) the magnitude of the tension T, in the lower cord connect- ing the two blocks. 2m Figure P4.57

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Expert Answer

Step 1

The free body diagram is given below

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N2 mg sin ở T2 mg cos e mg ө 2mg sin ở 2mg cos ek 2mg

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Step 2

the tension on the upe...

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From the diagram, T = T,+mg sin O (I) T, = 2mg sin 0 (II) Substitute Equation (II) in (I). T, = (2mg sin 0)+(mg sin 0) = 3mg sin e The tension on the upper cord is 3mg sin 0 .

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Science

Physics

Newtons Laws of Motion

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