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2. (30 pts) A small disk of mass m-0.75 kg is moving on a horizontal circle on a frictionless surface. The radius of the circ



Ch S.JO Physics 231 Equations List Exam sin opposite potenuse tan - opposite adjacent 100. 1 1000mm Irpm (/30)rad/s 9.80 1000

please solve on paper and show the equation your gonna use







y = 40 V = 2xr/T 2 x rad Tol , = 0, +WA a = a + a? w} = ? + 2010 0, 0, + m), A1+ (A)? Free = 0 F - mar F, - = ma, Vo = mgy (F
0 0
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Answer #1

A)

FBD of m2

Tension, T = m2 g = 1.7 x 9.8

T = 16.66 N

B)

FBD of m1

m1 r w^2 = T

0.75 x 0.45 w^2 = 16.66

w = 7.026 rad/s

C)

When mass m1 increases, then tension increases, and m2 moves upwards.

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