Explain why the forces in our joints are several times larger than the forces we exert on the outside world with our limbs. Can these forces be even greater than muscle forces?

COLOR KEY: Formulas Key Details Work, w Formula: F・d・cos( θ ) ● Where F is the force, d is the distance moved by the object,θa is the angle between F and d ● Work i s t he area under a s raph. ● Table: Effect o f angle n work: θ cos( θ) work 0° cos(0°) = MAX. positive work 0°