19) A brick on an inclined plane with an angle of 30° to the horizontal has...

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19) A brick on an inclined plane with an angle of 30° to the horizontal has a mass of 3 kg. A horizontal force F with a magni

Answer 1

Answer #1

here,

theta1 = theta2 = 30 degree

the horizontal force , F = 50 N

mass of brick , m = 3 kg

Using Newton's second law

the normal force , N = m * g * cos(theta1) + F * sin(theta2)

N = 3 * 9.81 * cos(30) + 50 * sin(30) N

N = 50.5 N

the magnitude of normal force is 50.5 N

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Answer 2

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