Work and energy
Question 1 The work done by the weight of a 1 Kg mass while it moves up through 1 m is: a. 9.8 J b. -9.8 J c. 1/9.8 J d. -1/9.8 J Question 2 A force of 10 N acts on a body towards the east. Work done by the force while the …
October 2023
Gravitation numericals
Physics Questions and Solutions Question 1 At what height from the earth’s surface will the acceleration due to gravity reduce to half of its original value? Solution We know that the acceleration due to gravity ( g’ ) at a height ( h ) above the Earth’s surface is given by: [ g’ = g …
Gravitation grade IX
Gravitation MCQs MCQs on Gravitation 1.) Two objects of different masses falling freely near the surface of the moon would Options: a. Have same velocities at any instant b. Have different acceleration c. Experience force of same magnitude d. Undergo a change in their inertia Answer: a. Have same velocities at any instant Explanation: In …