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A body is lying on the surface of earth....

A body is lying on the surface of earth. Sup pose that the earth suddenly loses its power of attraction, then

A

the weight of body will become zero

B

the weight of body will become infinite

C

the mass of the body will become zero

D

the body will vanish in air

Text Solution

Verified by Experts

The correct Answer is:
A
the weight of body will become zero
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Knowledge Check

  • The orbital velocity of a body at height h above the surface of Earth is 36% of that near the surface of the Earth of radius R. If the escape velocity at the surface of Earth is 11.2 km s_(-1) , then its value at the height h will be

    A
    `11.2 kms^(-1)`
    B
    `sqrt(h/R)xx11.2kms^(-1)`
    C
    `9/(25)xx11.2kms^(-1)`
    D
    `sqrt(R/(h)xx11.2kma^(-1)`

  • A body weighs 81 N on the surface of the earth. What is the gravitational force on it due to earth at a height equal to half the radius of the earth from the surface ?

    A
    72 N
    B
    28 N
    C
    36 N
    D
    32 N

  • If mass of a body is M on the surface of earth, then the mass of the same body on the moon surface is

    A
    `M"/"6`
    B
    zero
    C
    `M`
    D
    None of these

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