The leverage of the biceps brachii applies its force six times closer to the fulcrum (elbow joint)than the resistance.This means it will need to exert ________ kg of force to support a load of 6 kg.
A)1
B)6
C)36
D)7
E)can't say from this information

Question

Quizplus · Accepted Answer

The biceps brachii applies its force six times closer to the fulcrum than the resistance, meaning it operates at a mechanical disadvantage. To support a load of 6 kg, it must exert 6 times more force, resulting in 6 kg x 6 = 36 kg of force.

The Leverage of the Biceps Brachii Applies Its Force Six