What size force does the femur exert on the kneecap if the tendons are oriented as in the figure and the tension in each tendon is 60 n?

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

so easy. just google the electromagnetic waves and it’ll pop up.

this is an example of "committed" time.

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