Home Physics Gravitation General If a body is projected with speed lesser tha…
Physics Gravitation General MCQ (Single Correct)

If a body is projected with speed lesser than escape velocity:

A
the body can reach a certain height and may fall down following a straight-line path
B
the body can reach a certain height and may fall down following a parabolic path
C
the body may orbit the earth in a circular orbit
D
the body may orbit the earth in an elliptic orbit

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The correct answer is:
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(a, b, c, d)

If it is projected radially it will go up and then move down in a straight line

If it is projected with a small velocity near the earth's surface, g will be almost constant. So its path

will be almost parabolic (Projectile Motion).

If the body is projected tangentially with orbital speed then it will revolve in circular

orbit

If the body is projected with a velocity V Î (V o , V e ) it may revolve in an elliptical orbit.

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