A spherical asteroid of uniform density has radius

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

A spherical asteroid of uniform density

\rho

has radius

R

. Which expression correctly gives the magnitude of the acceleration due to gravity at its surface? (a)

4\pi G\rho R

(b)

G\rho R

(c)

\dfrac{4\pi G\rho R}{3}

(d)

\dfrac{2\pi G\rho R}{3}