34) case study
(note: sub questions are not related to the case study, therefore I will not be attaching the case study here)
i) a body executing uniform circular motion has at any instant velocity vector and acceleration vector
a)along the same direction
b) in opposite direction
c) normal to each other
d) not related to each other
ii) a particle moves with constant speed along a circular oath of radius r and completes the circle in Time T. The acceleration of the particle is
a) 2(pie)v/T
b)2(pie)r/T
c) 2(pie)r^2/T
d) 2(pie)v^2/T
iii) A body is whirled horizontal circle of radius 20cm. It has a n angular velocity of
a)2mps
B)20mps
c)root2mps
d)10mps
iv) what is the similarity between centripetal force and centripetal acceleration
a) they have the same magnitude
b)same direction
c)same unit
d) same magnitude and direction