A block is kept on a frictionless inclined surface with angle of inclination - The incline is given an acceleration - to keep the block stationary- Then - is equal to

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Standard XII

Physics

Inclined Planes

A block is ke...

Question

A block is kept on a frictionless inclined surface with angle of inclination $α$ . The incline is given an acceleration $α$ to keep the block stationary. Then $α$ is equal to

g tan

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g cosec

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Solution

The correct option is A
g tan

Resolving along the plane and perpendicular to it.

$∴$ mg sin $α$ = m $α$ cos $α$

$\Rightarrow$ a = g tan $α$

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A block is kept on a frictionless inclined surface with angle of inclination α. The incline is given an acceleration α to keep the block stationary. Then α is equal to

The correct option is A g tan Resolving along the plane and perpendicular to it. ∴ mg sin α = m α cos α ⇒ a = g tan α

A block is kept on a frictionless inclined surface with angle of inclination $α$ . The incline is given an acceleration $α$ to keep the block stationary. Then $α$ is equal to

The correct option is A
g tan

Resolving along the plane and perpendicular to it.

$∴$ mg sin $α$ = m $α$ cos $α$

$\Rightarrow$ a = g tan $α$