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Standard XII

Physics

Law of Conservation of Mechanical Energy

Two masses ...

Question

Two masses $A$ and $B$ are connected with an inextensible string. Their speeds are $V_{A}$ and $V_{B}$ at the moment shown. the correct constraint relationship is

V_{A} cos θ = V_{B}

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V_{B} cos θ = V_{A}

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V_{A} tan θ = V_{B}

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V_{A} = V_{B}

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Solution

The correct option is A $V_{A} cos θ = V_{B}$
$V_{A} cos θ = V_{B}$
Hence,
option $(A)$ is correct answer.

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Two masses A and B are connected with an inextensible string. Their speeds are VA and VB at the moment shown. the correct constraint relationship is

The correct option is A VAcosθ=VBVAcosθ=VBHence,option (A) is correct answer.

Two masses $A$ and $B$ are connected with an inextensible string. Their speeds are $V_{A}$ and $V_{B}$ at the moment shown. the correct constraint relationship is

The correct option is A $V_{A} cos θ = V_{B}$
$V_{A} cos θ = V_{B}$
Hence,
option $(A)$ is correct answer.