List three movements for which a relative angle at a particular joint is important and three movements for which the absolute angle of a body segment is important. Explain your choices.
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List three movements for which a relative angle at a particular joint is important and three movements for which the absolute angle of a body segment is important. Explain your choices.
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- The 150-lb man lies against the cushion for which the coefficient of static friction is u, = 0.5. He rotates about the z axis with a constant speed v = 32 ft/s. (Figure 1) Figure 1 of 1 ftIn the picture to the right, the bowling ball is replace by a 23.5 N melon. a) What force does the biceps exert to hold the arm steady? b) What is the reaction force at the elbow? Equations: t = Fr^ tccw = tcw Fup = FdownA tutor told me that the answer to 1b was 10N but I don't understand why it would be 10N for the tension. If that is correct could someone break it down for me?
- A 64 kg student stands on a very light, rigid board that rests on a bathroom scale at each end as shown in Part A (Figure 1). What is the reading on the left scale? Express your answer to two significant figures in newtons. ? Nleft = N Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the reading on the right scale? Figure 1 of 1 > Express your answer in newtons. ΑΣφ. ? Nright = N Submit Previous Answers Request Answer 1.5 m X Incorrect; Try Again; 3 attempts remaining 2.0 mFnet = ma, x = xo + Voxt += axt², Vx = Vox + axt, (v₂)² = (vox)² + 2axAx, g = 9.8 m/sec² Problem 1: The three ropes in the Figure are tied to a small, very light ring. Two of the ropes are anchored to walls at right angles, and the third rope pulls as shown. a) What is T₁, the tension from Rope 1 for the Figure below on the left? Answer: 86.6 N b) What is T₂, the tension from Rope 2 for the Figure below on the left? Answer: 50.0 N c) What is T3x, the x-component of the tension from Rope 3 for the Figure below on the right? Answer: 50 N. d) What is T3y, the y-component of the tension from Rope 3 for the Figure below on the right? Answer: 80 N. e) What is T3, the tension from Rope 3 for the Figure below on the right? Answer: T3 = √(T3x)² + (T3y)² = 94.3 N Rope 1 Rope 2 √30° 100 N 0.60 m 0.80 m T₁ = 50 N T₂ = 80 N T₁ w 34How do you find part C? The answer is 54 degree