Practice Gravitation RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This topic-wise question set covers important concepts of gravitation that are useful for RRB Physics preparation.
The questions cover important concepts such as Newton’s law of gravitation, gravitational force, acceleration due to gravity, variation of gravity, mass and weight, gravity and motion under gravity, satellite motion, escape velocity and related numerical and conceptual questions.
Gravitation RRB PYQ questions are useful for candidates preparing for Gravitation RRB NTPC PYQ, Gravitation RRB Group D PYQ, Gravitation RRB JE PYQ, Gravitation RRB ALP PYQ and Gravitation RRB Technician PYQ. Solve the questions, check the solutions, and strengthen your understanding of important concepts frequently relevant to Railway exams.
Start practicing Gravitation RRB PYQs and improve your Physics preparation for upcoming Railway examinations.
111
If your weight on Earth is stated as 38 kg, what is the corresponding weight reading on Mercury?
RRB NTPC (Stage-I)
29/03/2016 / Shift II
2016
✓ Answer:D14.3 kg
The source uses kg as a weight reading. Mercury's surface gravity is about 0.378 of Earth's, giving 38 × 0.378 ≈ 14.3 kgf. Mass remains 38 kg; gravitational force is about 141 N.
112
The weight of a body at Earth's centre is:
RRB JE
14/12/2014 / Set-2, Red Paper
2014
✓ Answer:AZero
The net gravitational field at the centre of a symmetric Earth is zero, so W = mg = 0.
113
An object's weight on Earth is how many times its weight on the Moon?
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