GO Figure 5-56 shows a box of mass m 2 = 1.0 kg on a frictionless plane inclined at angle θ = 30°. It is connected by a cord of negligible mass to a box of mass m 1 = 3.0 kg on a horizontal fric tionless surface. The pulley is frictionless and massless. (a) If the magnitude of horizontal force F → is 2.3 N, what is the tension in the connecting cord? (b) What is the largest value the magnitude of F → may have without the cord becoming slack? Figure 5.56 Problem 64.
GO Figure 5-56 shows a box of mass m 2 = 1.0 kg on a frictionless plane inclined at angle θ = 30°. It is connected by a cord of negligible mass to a box of mass m 1 = 3.0 kg on a horizontal fric tionless surface. The pulley is frictionless and massless. (a) If the magnitude of horizontal force F → is 2.3 N, what is the tension in the connecting cord? (b) What is the largest value the magnitude of F → may have without the cord becoming slack? Figure 5.56 Problem 64.
GO Figure 5-56 shows a box of mass m2 = 1.0 kg on a frictionless plane inclined at angle θ = 30°. It is connected by a cord of negligible mass to a box of mass m1 = 3.0 kg on a horizontal fric tionless surface. The pulley is frictionless and massless. (a) If the magnitude of horizontal force
F
→
is 2.3 N, what is the tension in the connecting cord? (b) What is the largest value the magnitude of
F
→
may have without the cord becoming slack?
The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE ONLY TRIGNOMETRIC FUNCTIONS (SIN/TAN/COS, NO LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!
The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE DO NOT USE LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!
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