CBSE Class 11-science Physics Law Of Gravitation
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- A woman of mass 50 kg is standing in an elevator. Suddenly the cable of the elevator break and the elevator begin to fall freely .the force exerted by the floor of the elevator on the woman is?
- Derive an expression for variation of g with depth
- State the Newton's Law of Gravitation. Also state its important properties.
- Which law explains the rotation of planets around the sun and the rotation of satellites around the planets?
- Define gravitational constant.
- Two bodies of mass 1kg and 2kg kept 4m apart exert a force of F Newton. A third body of mass 3kg is introduced in the set up and kept near 2kg mass. Calculate the total force on the 1kg body.
- On which two quantities does the gravitational force depend?
- Consider two bodies X and Y with mass m1 and m2 separated by distance ‘r’ meters. Suppose mass of X is doubled and mass of Y is tripled also the distance between them is doubled. Find the ratio of the gravitational force before and after changing the masses and distance.
- G is called Universal Gravitation Constant. Why?
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