The question is: What direction is the net force acting on the Achilles tendon?

Question

The question is: What direction is the net force acting on the Achilles tendon? Enter the angle with respect to the y-axis. A negative angle means the force is angled to the left and a positive angle means to the right. Express your answer to three significant digits.

3) The lateral head and the medial head of the gastrocnemius muscle pull on the Achilles tendon, as shown. The medial head T1 and lateral head T2 apply a force of 240 N and 160 N, respectively. Calculate the net force experienced by the Achilles tendon. Express your answer to three significant digits. 20° Gastrocnemius Achilles Tendon

Explanation / Answer

Net x direction force=160sin(30)-240sin(20)=-2.08

Net y force=240cos(20)+160cos(30)=364.1

Angle=tan^(-1)(-2.08/364.1)=-0.33 degrees

- means to left

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