Gravitation and Floatatio
A particle is released from rest from a height. Find the distance it falls through in 5 second.
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What do we called the upward force acting on an object immersed in the liquid?
The weight of an object of mass 10 kg at the centre of the earth is ____.
Read the given statements and select the correct option.Statement1:Apendumcanvibrate∈anartificialsatellite.Statement 2: Inside the satellite, acceleration due to gravity is zero.
Match the following:ColumnAColumnB(i) Gravity [A] Forces involved are very small.(ii)Gravitation[B]Maerconta∈ed∈abody.(iii) Weight [C] S. I involved are large.(iv)Mass[D]Forces∈volvedarelar≥.
Average distance of the earth from the sun isL1. If one year of the earth = D days, one year of another planet whose average distance from the sun is L2 will be
Match the column I with column II and select the correct option from the codes given below.ColumnIColumnII(a) g at height h (i) g(1−2hR)(b)gatdepthh(ii)GMR2(c) gpoles (iii) g(1−hR)(d)g(iv)Maξμm
The height at which the acceleration due to gravity becomes g/9 (where g is the acceleration due to gravity on the surface of the Earth) in terms of R, the radius of the Earth is
A man drops a pencil from a height 2 m. With what speed does it strike the ground?