A satellite revolving around the earth is kept on its orb...
A satellite revolving around the earth is kept on its orbit by?
Centripetal forces only
Centripetal and frictional forces
Centrifugal forces only
Centripetal and centrifugal forces
Correct answer is A
The concept of centrifugal force can be applied in rotating devices, such as centrifuges, centrifugal pumps, centrifugal governors, and centrifugal clutches, and in centrifugal railways, planetary orbits and banked curves, when they are analyzed in a rotating coordinate system
A bar magnet is most effectively demagnetized by ...
A slight loading of a tuning fork has the effect of ...
An a.c. generator can be converted to a d.c. electric motor by replacing the ...
An a.c. generator can be converted into a d.c. generator by replacing ...
Which of the following statements is an advantage of nuclear fusion over nuclear fission? ...
An object of mass 5.0 kg moves with a velocity of 10ms-1. Calculate its momentum....