Acceleration Effects | MCQs
مڑے ہوئے راستے پر فوری رفتار _____ ہے؟
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A. Parallel to the radius
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B. Anti-parallel to the radius
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C. Perpendicular to the slop
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D. Along the tangent
Explanation
Instantaneous velocity at any point on a curved path is directed tangentially to the curve.
It indicating the direction of motion at that moment.
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A. 𝑎 = 𝑟^2 ⋅ 𝜔^2
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B. 𝑎 = 𝑟 ⋅ 𝜔^2
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C. 𝑎 = 𝑟^2 ⋅ 𝜔
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D. 𝑎 = 𝑟 ⋅ 𝜔
Explanation
The centripetal acceleration of an object moving along a circle of radius 𝑟 with an angular speed 𝜔 is given by the formula 𝑎 = 𝑟 ⋅ 𝜔^2.
This formula indicates that the centripetal acceleration is directly proportional to the radius and the square of the angular speed.
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