Question

In which of the following situations does gravity supply a centripetal force?



the space shuttle orbiting the Earth

a child on a merry-go-round

a bike rounding a curve

a book falling off a table

Answer 1

a book falling off a table

Answer 2

?

Answer 3

@Abhisar

Answer 4

For centripetal force, the motion should be circular at first place.

Answer 5

3rd?

Answer 6

Then the force towards the centre should be provided by gravity.

Answer 7

1st?

Answer 8

In 3rd option, the motion is circular, yes but the force towards the centre is provided by frictional force between tyres and road.

Answer 9

Yes, 1st option is correct.

Answer 10

thnx