1
Q
What conditions must be fulfilled in order for a system to be in static equilibrium?
A
1) The vector sum of all EXTERNAL FORCES must be 0
2) the vector sum of all EXTERNAL TORQUES on a body must be 0
2
Q
What was the most significant source of error for this experiment?
A
calculating Rb, the distance between the pivot point ad the electronic scale (which measures Fb)
3
Q
force must be _____ to the radius in order for torque to be calculated
A
force must be perpendicular to the r component
4
Q
A plumb line was used to find the ____
A
center of gravity of the forearm
