Question

Two force of 80N and 70N act simultaneously at a point. Find the resultant force if the angle between them is 150​

Answer 1

Step-by-step explanation:

F1 = 80N

F2 = 70N

and angle between them is 150

Resultant Force is given by

= > ✓ F1^2 + F2^2 + 2 F1 * F2 COS( Angle )

=> ✓ 80 * 80 + 70 * 70 + 2*70*80Cos (150)

=> ✓ 6400 + 4900 - 9576

[ Since we know that cos 150 = -✓3/2) ]

Resultant Force = 41 .52 ( Approximately )

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