Inclined plane
On the inclined plane with an inclination angle of 30°, we will put the body (fixed point) with mass 9 kg. Determine the acceleration of the body motion on an inclined plane.
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- geometry
- similarity of triangles
- planimetrics
- right triangle
- triangle
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
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