JEE Main & Advanced
Physics
Gravitation / गुरुत्वाकर्षण
Question Bank
Acceleration Due to Gravity
question_answer
The moon's radius is 1/4 that of the earth and its mass is 1/80 times that of the earth. If g represents the acceleration due to gravity on the surface of the earth, that on the surface of the moon is [MP PMT 1997; MP PET 2000, 01; RPET 2000; Pb. PET 2001]
A)g/4
B) g/5
C) g/6
D) g/8
Correct Answer:
B
Solution :
Using \[g=\frac{GM}{{{R}^{2}}}\] we get \[{{g}_{m}}=g/5\]