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CHETANA PUBLICATION-LAWS OF MOTION -EXERCISE
- Define and explain rotational equilibrium:
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- How can the centre of mass be mathematically determined or understood?
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- State any 6 characteristics of centre of mass:
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- Define Centre of gravity:
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- Why do we need to know the centre of mass of an object? For which obje...
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- The mass of the Moon is 0.0123 times that of the Earth and the separat...
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- Locate the centre of mass of the syste,m of three particles of masses ...
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- Two brass sphere of radii 5 cm and 10 cm are brought in contact with e...
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- A uniform beam 1 m long is supported on knife-edge at 60 cm from left ...
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- A uniform wooden plank, 5 m long and mass of 40 kg, is resting horizon...
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- A 2 m long wooden plank of mass 20 kg is pivoted (supported from below...
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- State and explain Mechanical equilibrium:
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- A 2 m long ladder of mass 10 kg is kept against a wall such that is 1....
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- Four uniform solid cubes of edges 10 cm, 20 cm, 30 cm and 40 cm are ke...
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- A uniform solid sphere of radius R has a hole of radius R//2 drilled i...
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- A uniform solid sphere of radius R has a hole of radius R//2 drilled i...
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- Find the expression for velocity of centre of mass.
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- Find the expression for the acceleration of centre of mass.
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- A man of mass 80 kg stands in an elevator. Calculate his apparent wei...
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- A man of mass 80 kg stands in an elevator. Calculate his apparent wei...
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