SOLUTION: A force of 50 grams and of 60 gram act at an angle of 37 degrees between them. Determine the resultant using the cosine law.
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Question 1122127: A force of 50 grams and of 60 gram act at an angle of 37 degrees between them. Determine the resultant using the cosine law. Answer by ikleyn(52776) (Show Source):
The resulting force magnitude is
|F| = = grams.
Use your calculator.
To understand why it is so, use the parallelogram rule of adding forces (vectors) and make a sketch.
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About adding vectors in a plane and about the parallelogram rule of adding vectors see the lesson
- Vectors in a plane
in this site.
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Notice. It was VERY long time ago when the force was measured in kilograms and grams.
In modern unit system the basic unit of force is Newton.
