A geo-stationary satellite is one which orbits the earth with a velocity of rota

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Question
A geo-stationary satellite is one which orbits the earth with a velocity of rotation of
Options
A. moon
B. earth
C. sun
D. pole.

Correct Answer

earth

Applied Mechanics problems

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1. If a body is acted upon by a number of coplaner non-concurrent forces, it may
Options
A. rotate about itself without moving
B. move in any one direction
C. move in any one direction rotating about itself
D. be completely at rest
E. all the above.

5. A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was
Options
A. 0.5 m/sec²
B. 0.7 m/sec²
C. 1 m/sec²
D. 1 cm/sec².

6. The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t² - 10 where S is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is
Options
A. sec
B. 1 sec
C. 1.5 sec
D. 1.5 sec.

7. Pick up the incorrect statement from the following. In a simple harmonic motion
Options
A. velocity is maximum at its mean position
B. velocity is minimum at the end of the storke
C. acceleration is minimum at the end of the stroke
D. acceleration is zero at the mean position.

9. On a mass m describing a circular path of radius r, the centrifugal force
Options
A. acts tangentially to the circular path
B. acts towards the centre of rotation
C. acts away from the centre of rotation
D. is

10. If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and floor, is
Options
A. 0.25
B. 0.50
C. 0.67
D. 0.33
E. 0.75

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