I really need help as i dont know how to solve this problem .Can someone help me?

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physics

Guest Sep 18, 2014

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Best Answer

+33653

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Resolve forces in the x and y directions.

Fx = 100cos(40°) + 75cos(20°)

Fy = 75 + 100sin(40°) - 75sin(20°)

Get the magnitude from F = √(Fx² + Fy²)

Get angle to horizontal from θ = tan^-1(Fy/Fx)

The resultant should act through the centre of mass, wherever that is.

Alan Sep 18, 2014

1⁺⁰ Answers

+33653

+5

Best Answer

Resolve forces in the x and y directions.

Fx = 100cos(40°) + 75cos(20°)

Fy = 75 + 100sin(40°) - 75sin(20°)

Get the magnitude from F = √(Fx² + Fy²)

Get angle to horizontal from θ = tan^-1(Fy/Fx)

The resultant should act through the centre of mass, wherever that is.

Alan Sep 18, 2014

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