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Standard IX

Physics

Archimedes' Principle

A man weighin...

Question

A man weighing W stands on a horizontal beam (hinged on a wall) of negligible weight at point C and holds a massless rope passing over two smooth pulleys. The rope is attached to point B on the beam as shown. If the system is in equilibrium, then:

If W=600 N , tension in string is 400 N

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If W= 600 N hinge force at A is 200 N

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Hinge force at A is always in vertically downward direction, irrespective of value of W

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Hinge force at A is always in vertically upward direction, irrespective of value of W

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Solution

The correct option is C Hinge force at A is always in vertically downward direction, irrespective of value of W
The system is in equilibrium , then
Hinge force at $A$ is always in vertically downward direction irrespective of value of $W$ .
Hence,
Option $C$ is correct answer.

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Similar questions

Q. A man weighing 600N stands on a horizontal beam of negligible weight at C and holds a string passing over two smooth pulleys and is attached to point B on the beam as shown in the figure. The tension in the string is

Q. One end of a horizontal uniform beam of weight

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and length

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O

and its other end is supported by a light inextensible rope. The other end of the rope is fixed at point

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at a height

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above the hinge at point

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A block of weight

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of the beam, as shown in the figure (not to scale). The rope can sustain a maximum tension of

(2 \sqrt{2}) W .

Which of the following statement(s) is (are) correct ?

Q. In the system as shown in figure

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connected at

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with a light string.
(Take

g = 10 m / s^{2}

) (

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and

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are two different strings)
If whole of the system is in equilibrium then find
(i) Tension in the string

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(ii) Hinge force exerted on beam at point

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Q. A uniform heavy rod

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and weight

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is hinged at

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and tied to a weight

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, the massless passes over a frictionless pulley (of negligible dimensions) at

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as shown in the figure. If the rod is in equilibrium at horizontal configuration, then

Q. Two masses each of

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are attached at mid point

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A man weighing W stands on a horizontal beam (hinged on a wall) of negligible weight at point C and holds a massless rope passing over two smooth pulleys. The rope is attached to point B on the beam as shown. If the system is in equilibrium, then:

The correct option is C Hinge force at A is always in vertically downward direction, irrespective of value of WThe system is in equilibrium , thenHinge force at A is always in vertically downward direction irrespective of value of W.Hence,Option C is correct answer.

The correct option is C Hinge force at A is always in vertically downward direction, irrespective of value of W
The system is in equilibrium , then
Hinge force at $A$ is always in vertically downward direction irrespective of value of $W$ .
Hence,
Option $C$ is correct answer.