Example- Calculate the cross product between a =( 3, −3, 1) and b =( 4, 9, 2)
Solution:
Angular velocity & its relation with linear velocity
Every particle of a rotating body moves in a circle. Angular displacement of a given particle about its centre in unit time is defined as angular velocity.
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Average angular velocity = ΔΘ / Δt Instantaneous angular velocity, ω = dΘ / dt
v = w r, where v – linear velocity of particle moving in a circle of radius r