Lever force F at a point "A" located by the coordinate vector r on the bar. The lever then exerts an output force F at the point "B" located by r. The rotation of the lever about the fulcrum "P" is defined by the rotation angle "θ" in radians. Let the coordinate vector of the point "P" that defines the fulcrum be r, and introduce the lengths which are the distances from the fulcrum to the input point "A" and to the output point "B", respectively. Now introduce the unit vectors e and e from the fulcrum to the point "A"
Colin Lever Colin Lever Colin Lever (born 4 August 1939) is a former English cricketer. Lever was a right-handed batsman who bowled right-arm medium pace. He was born in Todmorden, Yorkshire. Lever made his debut for Buckinghamshire in the 1962 Minor Counties Championship against Oxfordshire. He played Minor counties cricket for Buckinghamshire from 1962 to 1978, which included 91 Minor Counties Championship matches. In 1965, he made his List A debut against Middlesex in the Gillette Cup. He played seven further List A matches for Buckinghamshire, the last coming against Middlesex in the 1975 Gillette Cup. In these eight matches, he scored