Vertical Circular Motion | Problems |

Опубликовано: 01 Январь 1970
на канале: Exemplar Physics

259

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Here we learn concepts by solving questions.

Q1) A ball of mass m is rotated in a vertical circle with constant speed . The difference in tensions at the bottom and horizontal position would be

a) 6mg

b) 5mg

c) 2mg

d) mg

Q2) A ball of mass m is rotated in with initial speed sufficient to complete the vertical circular motion. The difference in tensions at the bottom and horizontal position would be

a) 6mg

b) 5mg

c) 3mg

d) mg

Q3) A 1kg ball is rotated in a vertical circle by using a string of length 0.1m . If the tension in the string at the lowest point is 29.4N, its angular velocity at that position is

a) 7 rad/s

b) 14 rad/s

c) 3.5 rad/s

d) 25.6 rad/s

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