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Work Energy Theorem Application

In the shown ...

Question

In the shown figure $m_{A}, m_{B} a n d m_{C}$ are the masses of the three blocks, the incline is frictionless $m_{A} = 5 k g, m_{B} = 10 k g, m_{C} = 2 k g$ . coefficient of friction between A and B is 0.5 and between B and C is 0.1 (Take g = 10 $m / s^{2}$ ) On the basis of above data answer the following questions.

What is the tension in the rod ?

A

91.6 N

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B

31.6 N

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C

8.4 N

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D

90 N

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Solution

The correct option is A
91.6 N

$T = f_{A} + f_{C} = m_{B} g s i n 37^{\circ} = 91.6 N$

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Similar questions

In the shown figure $m_{A}, m_{B} a n d m_{C}$ are the masses of the three blocks, the incline is frictionless $m_{A} = 5 k g, m_{B} = 10 k g, m_{C} = 2 k g$ . coefficient of friction between A and B is 0.5 and between B and C is 0.1 (Take g = 10 $m / s^{2}$ ) On the basis of above data answer the following questions.

What is the frictional force on block A

m_{A} = 30 k g, m_{B} = 10 k g, m_{C} = 20 k g

A

B

μ_{1} = 0.3

B

C

μ_{2} = 0.2

C

μ_{3} = 0.1

. The least horizontal force

F

to start motion of any part of the system of three blocks resting upon one another as shown in figure is

(g = 10 m / s^{2})

Q. Given the set up shown in the figure. Blocks

A, B

C

m_{A} = M

m_{B} = m_{C} = m

. The strings are assumed massless and unstretchable and the pulley is frictionless. There is no friction between block

B

and the support table, but there is friction between blocks

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donated by a given coefficient

μ

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Q. In the figure

m_{A} = m_{B} = m_{C} = 60

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Q. Three blocks are connected by strings as shown in figure and pulled by a force

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m_{A} =

10 k g

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