Question

Two forces with magnitudes of 25 and 30 pounds act on an object at angles of 10° and 100°, respectively. Find the direction and magnitude of the resultant force. Round to two decimal places in all intermediate steps and in your final answer.
I need an explanation please, I don't even know where to start.

Answer 1

Answer:

Here you go.

Step-by-step explanation:

x=25cos10+30cos100

y=25sin10+30sin100

v=√(x^2+y^2)

α=tan(y/x)  

Rounding to two decimal places in intermediate steps...

x≈19.41, y≈33.89

v≈39.05

α=60.20°

So (39.05, 60.20°)

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