By using |t| = Ir| |F| sin 0, find the magnitude of the torque about O produced by each force shown. Specify the direction of each torque using the right hand rule and the coordinate system shown. Let R = 3 m, |F1| = 8 N, |F2| = 5N %3D 300% R/2 30° F2 トガ 30° F,
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- Suppose you exert a force of 207 N tangential to a 0.275 m radius 75.0 kg grindstone (a solid disk). (Give your answers to at least 2 decimal places.) (a) What torque (in N· m) is exerted? (Enter the magnitude.) N. m (b) What is the angular acceleration (in rad/s²) assuming negligible opposing friction? (Enter the magnitude.) |rad/s2 (c) What is the angular acceleration (in rad/s2) if there is an opposing frictional force of 24.6 N exerted 1.25 cm from the axis? (Enter the magnitude.) rad/s2 Additional Materials O ReadingA force F⃗ = (2.3 N)ˆı + (2.5 N)ˆj is applied to an object that is pivoted about a fixed axis aligned along the z coordinate axis. The force is applied at the point ⃗r = (4.3 m) ˆı+(3.9 m) ˆk. Find the z-component of the net torque. Answerinunitsof Nm.Text Predictions: On e to search w S 4. Rank the torques in order from largest to smallest: A: mass mo, radius ro B: mass 2mo, radius ro 2Fo Fo Accessibility: Investigate 5 X alt E D || C R F 1 T JL G 6 B H C: mass mo, radius 2ro 7 hp 8 U J N A Fo M D: mass 2mo, radius 2ro fio ( JO O K > O L 2Fo Focus AA CO 441 + = 4- { PUOL Р 46 alt 80°F insert ? 8:40 AM 6/14/202 prt sc backace
- A person is laying on their stomach doing a hamstring curl. They go from fully extended (0o) to 130o of flexion. What is their angular displacement if the person is on their stomach with their head facing left (feet pointing right)?Q1: A: Given the vectors a=i-2 j+3k and b=-2i+3j-k, show that the cross product ax b is orthogonal to both a and b MB: Find the cross product of the given two vectors X=i+6j+2k and Y-2i+j+3k. je cjeni iz na to Guzme cousin (E)Two disks are free to rotate about an axis through their center. The inner disk has a radius a = 20 cm and a 60 N force is applied tangent to the rim as shown. The outer disk has radius b = 40 cm and a force of magnitude F is applied tangent to its rim. What value of F is required to give zero net torque about the center?
- Please help me in this problem I want do graph Axis y [Torque, T(N.m)] .vs. Axis x [Angle of Twist,Φ (rad)] <<>>Solve for the quantities asked by the given problem. Write legibly and please avoid erasures 1. The length of a bicycle pedal arm is r = 0.152 m, and a downward force of F = 111 N is applied by the foot. What is the magnitude of torque about the pivot point when the angle θ between the arm & vertical is; (a) 30.0° (b) 90.0° (c) 180.0°4 spheres, each of diameter D= 0.05 m (spheres are identified as 1, 2, 3, 4), are placed on the end of 4 rods of length L = 0.15 m, arranged in a cross pattern as shown in the figure. L The rigid assembly is free to pivot without friction about the axis, o, normal to the page. Sphere 1 is covered with roughness of height ɛ = 0.25 mm while all other spheres are smooth. 1 With an oncoming velocity of U= 60 m/s, which direction will the assembly rotate? (Clockwise or counterclockwise). Use appropriate calculations to explain and justify your answer. Density of air is 1.2 kg/m³ and viscosity is 1.5 x 10-5 m²/s. 3.
- An engineer estimates that under the most adverse expected weather conditions, the total force on the highway sign in the figure (Figure 1) will be F→=(±2.3i^−4.6j^)kN, acting at the cm What is the magnitude of the torque this force exert about the base O? Express your answer using two significant figures.answers: Q27) 2.4 Q28) 0.84 Q29) 94KWTwo masses, m₁ = 31.0 kg and mp = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure(Figure 1)). The pulley is a uniform cylinder of radius R = 0.316 m and mass 3.3 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. igure MA MB 4 2.5 m 1 of 1 Part A If the system is now released, use conservation of energy to determine the speed of mp just before it strikes the ground. Assume the pulley is frictionless. Express your answer using three significant figures and include the appropriate units. V = Di Value Submit μA Drovide Foodhark Request Answer P Pearson Units Review | Constants ?