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A boy pulls his toy on a smooth horizontal surface with a rope inclined at 60 degrees to the horizontal. If the effective force pulling the toy along the horizontal surface is 5N, calculate the tension in the rope

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Ferraz

Hello there.

The effective force is the horizontal component of tension T. The tension, by similar triangles, has as adjacent side that is the effective force. Hence, we conclude:

[tex] Tcos(60^\circ) = F_{effective}\\\\ T\cdot\frac12 = 5\\ \\ \\ \boxed{T = 10\ N} [/tex]

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