# Two forces

Two forces with magnitudes of 25 and 30 pounds act on an object at 10° and 100° angles. Find the direction and magnitude of the resultant force. Round to two decimal places in all intermediate steps and your final answer.

### Correct answer:

**Showing 1 comment:**

**Dr Math**

Angle 100-10 = 90° is right , therefore may be some optimization of calculation made. In general it§s calculated OK.

See also vector adding calculator:

https://www.hackmath.net/en/calculator/sum-of-the-two-vectors?a=25&a1=100-10&b=30&submit=Solve

See also vector adding calculator:

https://www.hackmath.net/en/calculator/sum-of-the-two-vectors?a=25&a1=100-10&b=30&submit=Solve

Tips for related online calculators

Our vector sum calculator can add two vectors given by their magnitudes and by included angle.

See also our right triangle calculator.

Do you want to round the number?

See also our trigonometric triangle calculator.

See also our right triangle calculator.

Do you want to round the number?

See also our trigonometric triangle calculator.

#### You need to know the following knowledge to solve this word math problem:

**geometry**- vector
**arithmetic**- rounding
- addition
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
**goniometry and trigonometry**- sine
- cosine
- tangent
- arctangent

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#### Grade of the word problem:

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