Gravitation

Gravitation
A satellite revolving very close to earth has a speed nearly
7 ms^-1
8 ms^-1
9 ms^-1
10 ms^-1
Author: rikazzz Comment
Gravitation
The force due to which everybody of the universe attracts every other body
force of gravitation
force of limiting friction
force of inertia
force of mechanics
Author: rikazzz Comment
Gravitation
With mass ‘m’, altitude ‘h’, radius r_o and velocity v_o, the centripetal force is equal to
F_c =( mv_o²)⁄r_o
F_c =( mv_o)⁄r_o
F_c =( mr_o²)⁄v_o
F_c =( mv_o² + r_o)
Author: rikazzz Comment
Gravitation
To move around the Earth, a satellite requires
centrifugal force
centripetal force
dynamic force
translatory force
Author: rikazzz Comment
Gravitation
With the gain of altitude, the value of g
increases
remains same
decreases
all of above
Author: rikazzz Comment
Gravitation
The weight of an object if the value of g on moon is 1.6 ms^-2 having mass equals 100 kg is
100 N
160 N
1000 N
1600 N
Author: rikazzz Comment

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