Question: For a spring-loaded roller-follower driven with a disc cam, (a) the pressure angle should be larger during rise than that during return for ease of

For a spring-loaded roller-follower driven with a disc cam,

(a) the pressure angle should be larger during rise than that during return for ease of transmitting motion

(b) the pressure angle should be smaller during rise than that during return for ease of transmitting motion

(c) the pressure angle should be large during rise as well as during return for ease of transmitting motion

(d) the pressure angle does not affect the ease of transmitting motion.

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