In the forearm example, the torque of the force acting at the elbow is…

Question

In the forearm example, the torque of the force acting at the elbow is zero because it acts at the:

Accepted Answer

A. Pivot

1. Torque needs a lever arm from the axis.
2. A force applied at the axis has none.
3. So it acts at the pivot.
_Source: OpenStax University Physics Volume 1, Chapter 12, Static Equilibrium and Elasticity._

Answer

Muscle

Answer

Wrist

Answer

Hand

In the forearm example, the torque of the force acting at the elbow is zero because it acts at the:

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