The distinction between impulse and force involves the

By definition, the impulse is given by:

Where,

Therefore, we observe that the distinction between impulse and force is that the impulse is the force that is applied during a certain time.

The distinction between impulse and force involves the time during which force is applied.

not too sure thinking it will always be directed towards the centre of the earth. could be wrong not sure

the answer is a. at the equator