Question

the angular velocity of a rotating body is 4icap+jcap-2kcap.the liner velocity of a body who's position is 2icap+3jcap-3kcap

Answer 1

Linear velocity is given by the cross product of angular velocity and position vector.

v

=

ω

×

r

v

=(4

i

^

+

j

^

−2

k

^

)×(2

i

^

+3

j

^

−3

k

^

)

=(−3+6)

i

^

+(12−4)

j

^

+(12−2)

k

^

=3

i

^

+8

j

^

+10

k

^

Answer 2

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