One of the rectangular components of a force of 40 N is 20 N.Find the angle it makes with this component.
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let angle is theta.
given that
40cos theta=20
cos theta=20/40=1/2
so cos theta=cos 60°
=>theta=60°
given that
40cos theta=20
cos theta=20/40=1/2
so cos theta=cos 60°
=>theta=60°
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