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The cap of the pen can easily be opened ...

The cap of the pen can easily be opened with the help of two fingers than with one finger ?

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When two fingers are applied, two equal and opposite forces act on the cap, there by constituting a couple.
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MBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-QUESTION BANK
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  3. The cap of the pen can easily be opened with the help of two fingers t...

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  4. Why the speed of whirlwind in a tornado is alarmingly high ?

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  5. What is the centre of mass of a body ?

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  6. Where the centre of mass of a rigid body lies ?

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  7. The Sl unit of centre of mass is ?

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  8. The concept of centre of mass is ?

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  9. Moment of inertia is a vector or scalar quantity ?

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  10. Where law of conservation of angular momentum is valid ?

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  11. What is basic cause of rotational motion ?

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  12. If axis of rotation not given, does moment of inertia bear a meaning ?

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  13. Angular momentum is directed according to which rule ?

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  14. What is net force on a body under the action of a couple ?

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  15. Name the unit of radius of gyration in M.K.S. system ?

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  16. The Ml of a solid sphere is ?

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  17. Angular momentum L is given by ?

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  18. Define the following and state their Sl units of angular velocity

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  19. Define the following and state their Sl units of angular acceleration

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  20. Define the following and state their Sl units of Torque

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