important question from chapter gravitation
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1 Molecules in air in the atmosphere are attracted by gravitational force of the earth. Explain why all of them do not fall into the earth just like an apple falling from a tree.
Give one example each of central force and non-central force.
2 Draw areal velocity versus time graph for mars.What is the direction of areal velocity of the earth around the sun?
3 Is it possibe for a body to have inertia but no weight?
4 We can shield a charge from electric fields by putting it inside a hollow conductor. Can we shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?
Give one example each of central force and non-central force.
2 Draw areal velocity versus time graph for mars.What is the direction of areal velocity of the earth around the sun?
3 Is it possibe for a body to have inertia but no weight?
4 We can shield a charge from electric fields by putting it inside a hollow conductor. Can we shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?
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