Question

pls answer this as fast as possible and also with propper solutions

Answer 1

Answer:

3

Explanation:

Assuming that question is asking about gravitational force . By using Shell Theorem for gravitation we can easily determine that net force on mass m inside hollow sphere is zero.

If you want intuition then think m is on centre at start , now when m moves inside sphere some mass (sphere) comes close to it and some shifts far from m (more then first) but there distance of more mass is greater then " less mass " . So they always balance each other inside sphere .