Question

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

(a) maximum and zero

(b) zero and maximum

(c) minimum and maximum

(d) zero and minimum

I had been asked this question in semester exam.

Question is taken from Classification of Cams topic in portion Cams of Machine Dynamics

Answer 1

The correct answer is (a) maximum and zero

Easiest explanation: For high speed engines, the cam follower should move with cyclodial motion. For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

maximum and zero.