What is the shape of the path followed by a projectile?

$(i)$ Seema buys a few grains of gold at the poles as per the instructions of one of her friends. She hands over the same when she meets her at the equator. Will the friend agree with the weight of gold bought? If not,why?
$(ii)$ If the moon attracts the earth,why does the earth not move towards the moon?

According to Newton's law of gravitation,every particle of matter attracts every other particle. But bodies on the surface of the Earth never move towards each other on account of this force of attraction. Why?

State whether the following statement is true or false:
The force of attraction between two bodies is called gravity.

$A$ boy is whirling a stone tied with a string in a horizontal circular path. If the string breaks,the stone

$A$ ball is thrown vertically upwards with a velocity $u$. Calculate the velocity with which it falls to the earth again.