Two forces of and act at an angle of

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Two forces of

40\,\text{N}

and

70\,\text{N}

act at an angle of

120^{\circ}

. Determine the magnitude of the resultant and its angle with the

70\,\text{N}

force. (a)

96.4\,\text{N}

at

21^{\circ}

(b)

60.8\,\text{N}

at

55^{\circ}

(c)

60.8\,\text{N}

at

35^{\circ}

(d)

63.2\,\text{N}

at

30^{\circ}

Related theory

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