Fis the upward force exerted by the biceps and R is the downward force exerted by the upper arm at the joint. mg-50.0 N d-3.00 cm (-35.0 cm Biceps mg (a) (b)
Fis the upward force exerted by the biceps and R is the downward force exerted by the upper arm at the joint. mg-50.0 N d-3.00 cm (-35.0 cm Biceps mg (a) (b)