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State and explain Mechanical equilibrium...

State and explain Mechanical equilibrium:

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CHETANA PUBLICATION-LAWS OF MOTION -EXERCISE
  1. A uniform wooden plank, 5 m long and mass of 40 kg, is resting horizon...

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  2. A 2 m long wooden plank of mass 20 kg is pivoted (supported from below...

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  3. State and explain Mechanical equilibrium:

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  4. A 2 m long ladder of mass 10 kg is kept against a wall such that is 1....

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  5. Four uniform solid cubes of edges 10 cm, 20 cm, 30 cm and 40 cm are ke...

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  6. A uniform solid sphere of radius R has a hole of radius R//2 drilled i...

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  7. A uniform solid sphere of radius R has a hole of radius R//2 drilled i...

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  8. Find the expression for velocity of centre of mass.

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  9. Find the expression for the acceleration of centre of mass.

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  10. A man of mass 80 kg stands in an elevator. Calculate his apparent wei...

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  11. A man of mass 80 kg stands in an elevator. Calculate his apparent wei...

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  12. A man of mass 80 kg stands in an elevator. Calculate his apparent wei...

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  13. A man of mass 80 kg stands in an elevator. Calculate his apparent wei...

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  14. Two masses of 20 kg and 10 kg are connected to the ends of a string, h...

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  15. A body P of mass 3 kg and moving with velocity of 2 m//s makes a head...

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  16. A body P of mass 3 kg and moving with velocity of 2 m//s makes a head...

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  17. A body of mass 2 kg travels with a velocity of 8 m//s makes a head on ...

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  18. A body of mass 1 kg moving with velocity 10 m//s collides with anothe...

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  19. Two men are carrying a uniform beam of mass 200 kg of length 10 m on t...

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  20. A steel rod of 1 m is supported at its ends so that it remains horizon...

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