-- 50. A bob of mass m attached to a string rotates in a hor... — Physics | Mockzy

HardPhysicsRotational motion

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-- 50. A bob of mass m attached to a string rotates in a horizontal circle (conical pendulum). About the point of suspension:

Angular momentum is conserved

Angular momentum changes in magnitude but not in direction

Angular momentum changes in direction but not in magnitude

Angular momentum changes both in direction and magnitude

-- 49. Two discs (ω1=2, ω2=5) are brought into contact. Final ω = 4. If I2 = 1x1

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-- 49. Two discs (ω1=2, ω2=5) are brought into contact. Final ω = 4. If I2 = 1x10⁻³ kg m², then I1 i

-- 48. The moment of inertia of a circular disc (M, R) is I0. Another disc of same mass and thicknes

-- 47. The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of

-- 46. Three identical spherical shells, each of mass m and radius r are placed in a row. Consider a

-- 45. Consider a uniform square plate of side 'a' and mass 'm'. The moment of inertia of this plate

-- 44. An automobile moves on a road with a speed of 54 km/h. The radius of its wheels is 0.45 m and

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