A mass m is placed in the cavity inside a hollow sphere of mass M as shown in the figure…
Physics · JEE Main · NTA Exams — Gravitation
A mass m is placed in the cavity inside a hollow sphere of mass M as shown in the figure. What is the gravitational force on mass m?
- \(\frac{\text { GMm }}{R^{2}}\)
- \(\frac{\text { GMm }}{r^{2}}\)
- \(\frac{G M m}{(R-r)^{2}}\)
- zero
Answer
(D) zero
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