2. INSTRUCTIONS: - Show the 'free body diagrams' completely. - Show all equations obtained from the free body diagrams. - Show all solutions completely. m₂ = 4.00 kg a= 33.1 Hs=0.40 HK = 0.20 a) What is the maximum mass m₂ so that it will not go down? b) What is the minimum mass m2 so that it will not • A=5.00 kg B= 8.00 kg Surface between A and B: Hs=0.57 H=0.35 Surface between A and table: Hs=0.20 Hk = 0.10 go up? c) If mass m₂ is twice that of maximum mass at question a), how much time will it take for m₂ to go down by a distance of 3 m? d) If m, is sliding up at constant speed of 2 m/s, what is mass m₂? B M₁ A m₂ C

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2. INSTRUCTIONS:
.
- Show the 'free body diagrams' completely.
- Show all equations obtained from the free body diagrams.
- Show all solutions completely.
m₂ = 4.00 kg
a = 33.1°
Hs=0.40
HK = 0.20
a) What is the maximum mass m₂ so that it will not
go down?
b) What is the minimum mass m2 so that it will not
• A=5.00 kg
B= 8.00 kg
Surface between A and B:
Hs=0.57
go up?
c) If mass m₂ is twice that of maximum mass at question a), how much time will it take for m₂ to
go down by a distance of 3 m?
d) If m, is sliding up at constant speed of 2 m/s, what is mass m₂?
H=0.35
Surface between A and table:
H₁ = 0.20
k
= 0.10
What is the maximum mass of C such that A and B
will still slide together?
• Mass of chair and person sitting is 115 kg.
Length of cable L1 is 5.70 m long and H is 9.60 m high.
Hint: tan 8 = L/H
B
A
Rotates in a horizontal circle at a rate of 0.48 revolutions per
second or 0.48 Hz.
Hint: tan 8 = L/H
M₁
a) Find tension T1 and T2
b) At what frequency of revolution will T1 be zero? What will
T2 be?
H
6
T1
L1
M₂
T2
c) If the frequency becomes half that of b), there will no longer be T1. What will be the radius of
the revolution and what will the angle 8 and the tension T2 be?
Transcribed Image Text:2. INSTRUCTIONS: . - Show the 'free body diagrams' completely. - Show all equations obtained from the free body diagrams. - Show all solutions completely. m₂ = 4.00 kg a = 33.1° Hs=0.40 HK = 0.20 a) What is the maximum mass m₂ so that it will not go down? b) What is the minimum mass m2 so that it will not • A=5.00 kg B= 8.00 kg Surface between A and B: Hs=0.57 go up? c) If mass m₂ is twice that of maximum mass at question a), how much time will it take for m₂ to go down by a distance of 3 m? d) If m, is sliding up at constant speed of 2 m/s, what is mass m₂? H=0.35 Surface between A and table: H₁ = 0.20 k = 0.10 What is the maximum mass of C such that A and B will still slide together? • Mass of chair and person sitting is 115 kg. Length of cable L1 is 5.70 m long and H is 9.60 m high. Hint: tan 8 = L/H B A Rotates in a horizontal circle at a rate of 0.48 revolutions per second or 0.48 Hz. Hint: tan 8 = L/H M₁ a) Find tension T1 and T2 b) At what frequency of revolution will T1 be zero? What will T2 be? H 6 T1 L1 M₂ T2 c) If the frequency becomes half that of b), there will no longer be T1. What will be the radius of the revolution and what will the angle 8 and the tension T2 be?
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