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Objects of different masses falling free...

Objects of different masses falling freely from top of a tower, reach surface of the earth simultaneously.

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Object falling freely is performing constant accelerated motion, i.e., in time interval of ls, increase in velocity of each object is equal and velocity of the object is according to v = gt and hence not dependent on their masses.
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An object is allowed to fall freely from the top of a 150 m high tower. At the same time another object is allowed to fall freely from the top of a 100 m high tower. If the acceleration of both the free falling objects is same, then find the difference between their heights after 2 s from their motion. How does the difference of their heights change with the time?

An object is allowed to fall freely from the top of a 150 m high tower. At the same time another object is allowed to fall freely from the top of a 100 m high tower. If the acceleration of both the free falling objects is same, then find the difference between their heights after 2 s from their motion. How does the difference of their heights change with the time?

Knowledge Check

  • Two objects of different masses fall freely from certain height towards the surface of the moon, then ...

    A
    their velocity would be the same any time.
    B
    their acceleration would be different.
    C
    magnitude of the force acting on them would be the same.
    D
    their inertia would change.

  • If an object is falling freely from certain height towards the surface of earth, its total mechanical enrgy ……………

    A
    decreases
    B
    increases
    C
    does not change
    D
    goes on increasing and decreasing

  • If an object is falling freely from certain height towards the surface of earth, its total mechanical enrgy ……………

    A
    decreases
    B
    increases
    C
    does not change
    D
    goes on increasing and decreasing

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    When an object is falling freely from the height h from the earth's surface its gravitational potential energy decreases gradually but its mechanical energy does not change.

    An object fallen freely from top of tower reaches at ground in 4s, then find the height of tower. (Take g = 10 ms^(-2) )

    The diameter of an iron sphere of mass 10 kg is same as that of aluminium sphere of mass 3.5 kg. Both of them are made to fall freely simultaneously from the top of a tower. When both of them would be at 10 m above the ground, they would have same ………….

    The diameter of an iron sphere of mass 10 kg is same as that of aluminium sphere of mass 3.5 kg. Both of them are made to fall freely simultaneously from the top of a tower. When both of them would be at 10 m above the ground, they would have same ………….

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