Math Problem Statement
A horizontal force, F1 = 55 N, and a force, F2 = 12.8 N acting at an angle of θ to the horizontal, are applied to a block of mass m = 3.1 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the right.
Randomized Variables F1 = 55 N F2 = 12.8 N m = 3.1 kg
Part (a)
Solve numerically for the magnitude of the normal force, FN in Newtons, that acts on the block if θ = 30°. FN
Solution
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Math Problem Analysis
Mathematical Concepts
Physics
Forces
Trigonometry
Friction
Formulas
Weight: W = mg
Vertical component of force: F2 * sin(θ)
Normal force: FN = W - F2 * sin(θ)
Theorems
Newton's Second Law of Motion
Suitable Grade Level
Grades 10-12
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