In general the motion of the follower is only determined positively by the cam during a part of each stroke whilst during the remainder of the stroke contact between the cam and the follower has to be maintained by an external force, often supplied by a spring.
In this connection it should be noticed that the cam does not, as would at first appear likely, determine the motion of the follower during the whole of the its out-stroke.
When a roller follower is used, a constant distance is maintained between the centre of the roller and the centre of curvature of the cam profile.
If the follower reciprocates (see worked examples) then an equivalent slider crank chain is produced.
Her rep said at the time: "She's been really pushing herself over the past three weeks, rehearsing solidly for the show and making sure her performance is perfect.""Full respect to Sarah - she's come from a singing background, and she's had to learn everything we knew acting-wise in that short time."She was giving 100% in every rehearsal, which led to her getting run down just as we were opening."But the company's amazing - we all get on great, and we just pulled together.
Sarah has joined the ITV soap as betrayed wife Joni Preston, the second wife of Robert Preston (Tristan Gemmill).
When in doubt, we advise consultation with knowledgeable colleagues and/or professional association ethics committees.
Many Corrie fans took to Twitter to slam Sarah's debut as the jilted wife, with many panning her acting.
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