Question

1 Torce'?
u glass of water stick even when you invert it?
Answer the following in not
the following in not more than 40 words.
1 Give two examples of situations in which it is helpful to increase friction.
2. What is a streamlined body? How is it helpful for a body to have such a shape?
& How does (a) oiling and (b) using ball bearings help reduce friction?
When you push something heavy, the resistance you feel decreases as the body stal
Explain what happens.
5. (a) What is the characteristic
that magnetic, electrostatic and gravitational forces have in
common?
(b) What happens when a body leaves the earth's gravitational field? Give one example.
6. (a) If everything in the universe attracts everything else, why do we not attract each other?
(b) Why is the moon's force of gravity less than that of the earth?
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Answer 1

Answer:

Sorry too long to answer. Very sorry