True oe false
XXIV. S.I unit of position vector of centre of mass is 'metre (m)'.
XXV. Linear momentum of a body is a vector quantity.
XXVI. Cross product of two vectors is not commutative.
XXVII. The escape velocity of a particle depends on its mass.
XXVIII. The magnitude of force of limiting friction (F) is inversely proportional to a normal
reaction.
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15
Answer:
XXIV. False
2ND.TRUE
3rd true
4th.true
5th.false
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5
Answer:
the above answer is the correct ....
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