Forces
Forces with magnitudes F1 = 42N and F2 = 35N act at a common point and make an angle of 77°12'. How big is their resultant?
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- geometry
- vector
- arithmetic
- addition
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- diagonal
- rhomboid
- numbers
- mixed numbers
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
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