Posterous theme by Cory Watilo

1.23 Answers

1.23 Moments Questions

29 September 2010

14:37

PFY p106

2a) this means that the mechanic will have to apply less force to undo a tight nut, as he is further away from the pivot.

b) This means that a person will have to apply less force to open the door, as the handle is far away from the pivot (hinge)

3. M=F x d, F=200N, d=20cm, M=200 x 20, M=4000Ncm

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