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Acceleration due to Gravity on Planets for JEE: 25 solved questions

Real JEE paper questions on acceleration due to gravity on planets, part of gravitation. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2005 to 2026. No sign-in needed to read them.

What this topic asks

• Comparing planets — 8 questions
• Effect of the Earth's rotation — 8 questions
• g from mass, radius and density — 7 questions
• Pendulum as a probe of g — 2 questions

All 25 questions with solutions

• When one moves from a point 16 km below the earth's surface to a point 16 km above the earth's surface, the c… JEE Main 5th April 1st Shift 2026
• Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Assertion… JEE Main 29th Jan 1st Shift 2025
• A simple pendulum doing small oscillations at a place of height R above the earth's surface has a time period… JEE Main 5th April 1st Shift 2024
• The acceleration due to gravity on the surface of the earth is g. If the diameter of the earth reduces to hal… JEE Main 27th Jan 1st Shift 2024
• A planet has double the mass of the earth. Its average density is equal to that of the earth. An object weigh… JEE Main 6th April 1st Shift 2023
• Given below are two statements. Statement I: Rotation of the earth shows an effect on the value of accelerati… JEE Main 10th April 2nd Shift 2023
• The radii of two planets A and B are R and 4R, and their densities are ρ and ρ/3 respectively. The ratio of t… JEE Main 11th April 1st Shift 2023
• Two planets A and B of radii R and 1.5R have densities ρ and ρ/2 respectively. The ratio of the acceleration… JEE Main 13th April 1st Shift 2023
• An object is taken to a height above the surface of the earth at a distance (5R)/4 from the centre of the ear… JEE Main 25th July 2nd Shift 2022
• The percentage decrease in the weight of a rocket when taken to a height of 32 km above the surface of the ea… JEE Main 26th July 1st Shift 2022
• If the radius of the earth shrinks by 2% while its mass remains the same, the acceleration due to gravity on… JEE Main 28th July 1st Shift 2022
• Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Asserti… JEE Main 26th June 2nd Shift 2022
• The radii of two planets A and B are in the ratio 2:3. Their densities are 3ρ and 5ρ respectively. The ratio… JEE Main 30th June 1st Shift 2022
• A person whose mass is 100 kg travels from Earth to Mars in a spaceship. Neglect all other objects in the sky… JEE Main 20th July 1st Shift 2021
• Consider a planet in some solar system which has a mass double the mass of the earth and a density equal to t… JEE Main 25th July 2nd Shift 2021
• If the angular velocity of the earth's spin is increased such that bodies at the equator start floating, the… JEE Main 18th March 2nd Shift 2021
• A body weighs 49 N on a spring balance at the north pole. What will be its weight recorded on the same weighi… JEE Main 24th Feb 2nd Shift 2021
• The acceleration due to gravity on the earth's surface at the poles is g and the angular velocity of the eart… JEE Main 5th Sept 2nd Shift 2020
• A box weighs 196 N on a spring balance at the north pole. Its weight recorded on the same balance if it is sh… JEE Main 7th Jan 1st Shift 2020
• The ratio of the weights of a body on the Earth's surface to that on the surface of a planet is 9:4. The mass… JEE Main 12th April 1st Shift 2019
• Suppose that the angular velocity of rotation of the earth is increased. Then, as a consequence JEE Main Online 2018
• If the Earth has no rotational motion, the weight of a person on the equator is W. Determine the speed with w… JEE Main Online 2017
• The average density of the earth (take G and the radius of the earth as fixed). AIEEE 2005
• Acceleration due to gravity on the surface of the earth is g. If the diameter of the earth is reduced to one… JEE Main 24th January 2nd Shift 2025
• A ball is dropped from the top of a 100 m high tower on a planet. In the last 1/2 s before hitting the ground… JEE Main 8th Jan 2nd Shift 2020