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The gravitational field in a region is g...

The gravitational field in a region is given by
`vecE=(5N*kg^(-1))hati+(12N*kg^(-1))hatj`
(i) Find the magnitude of the gravitational force acting on a particle of mass 2kg placed at the origin.

A

26N

B

30N

C

20N

D

35N

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • The gravitational field in a region is given by vecE=(5N kg^-1)veci+ (12Nkg^-1)hatj Find the magnitude of the gravitational force acting on a particle of mass 2 kg placed at the origin

    A
    26 N
    B
    30 N
    C
    20 N
    D
    35 N

  • The gravitational field in a region is given by vecE=(5N*kg^(-1))hati+(12N*kg^(-1))hatj (iii) Find the change in gravitational potential energy if a particle of mass 2 kg is taken from the origin to the point (12m,5m).

    A
    `-225J`
    B
    `-240 J`
    C
    `-245 J`
    D
    `-250J`

  • The gravitational field in a region is given by vecE=(5N*kg^(-1))hati+(12N*kg^(-1))hatj (iv) Find the change in potential energy if the particle is taken from (12m,0) to (0,5m).

    A
    `-10 J`
    B
    `-50J`
    C
    zero
    D
    `-60J`

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