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QUESTIONS, 1. A bar that has weights attached to its ends, attached close to the centre of the bar. Why?, alama, more difficult to rotate than one with weights, 2. Why do tightrope walkers carry a long pole?, 3. Door handles are usually fitted at the edge of the plank of the door. Why?, 4. Given a hard-boiled egg and a raw egg, how will you differentiate between them by, spinning on a tabletop?, 5. Explain the term banking of roads. Derive an expression for the angle of banking., 6. Define the moment of inertia of a body., 7. State and explain parallel axes theorem., 8. A solid cylinder and hollow cylinder having the same mass and the same diameter are, released simultaneously from the top of an inclined plane. Which will reach the bottom, first? Explain., 9. What furnishes the required centripetal force in each of the following:, a) the earth revolving around the sun, b) a car negotiating a curve, c) an electron revolving around the nucleus., 10. Derive the relation between linear velocity and angular velocity of a body moving, in a circular path., 11. Define the term torque., 12. State the law of conservation of angular momentum., State Institute of Technical Teachers' Training & Research |, Page, 1