Agree

Disagree

single slider crank chain

Whitworth quick return motion mechanism

crank and slotted lever quick return motion mechanism

all of the above

resultance force is equal to zero

resultant couple is equal to zero

resultant force and resultant couple are both equal to zero

resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero

is directly proportional to

is inversely proportional to

is equal to cos ? multiplied by

does not depend upon

dedendum

addendum

clearance

working depth