Gravitation and Floatatio
What is the value of universal gravitational constant?
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A stone is dropped from a point at 3 : 30 : 32 p.m (hour : minute : second). Another stone is dropped from the same point at 3 : 30 : 34 p.m. Find the separation between the stones at 3 : 30 : 35 p.m.
Suppose, the acceleration due to gravity at the Earth's surface is 10 m s−2 and at the surface of Mars is 4 m s−2. A 60 kg passenger goes from the Earth to the Mars in a spaceship moving with a constant velocity. Neglect all other objects in the sky. Which part of figure best represents the weight (net gravitational force) of the passenger as a function of time?
Calculate the force of gravitation due to earth on a man weighing 100 kg standing on the ground? (mass of earth =6×1024kg, Radius of earth=6.4×103km)
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≥.
S.I. unit of weight is:
A particle is released from rest from a height. Find the distance it falls through in 5 second.
There are four objects of equal mass at a distance of 4m, 8m 6m and 10m from a pole. Which object will have maximum force of attraction with the pole?
A ball is dropped from the top of a building which takes 10 s to reach the ground. What is the height of the building?