- #1
TheRedDevil18
- 408
- 1
Homework Statement
A uniform plank of length l = 6m and mass M= 90kg rests
on sawhorses separated by D = 1.5m and equidistant from the
center of the plank. Cousin Throckmorton wants to stand on the
right-hand end of the plank. If the plank is to remain at rest, how
massive can Throckmorton be?
Diagram:
Homework Equations
The Attempt at a Solution
I am confused at the diagram. Why is the centre of gravity not at the centre of mass of the plank which should be in the middle ?