Exam style lever problems QUESTION 1 (10 MARKS TOTAL) (a) Calculate the force required from this imaginary elbow exor (Fm) if the lever system below is to be held in equilibrium. Ignore the mass of the forearm and note that the 15kg load has its centre of mass 0.30m from the axis of j oint rotation while the muscle is inserted 0.03 m from the joint axis. The muscle's angle of pull is at 45'J to the forearm's long axis. (7 marks) (b) Calculate the rotational and non-rotational components of force for this system