220 N 180 N 270 N 100 N 120 cm 60 90 150 cm cm cm
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Determine the resultant R and its location with respect to O of the four parallel forces acting on the rocker arm as shown on figure below.
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- Using the parallel axis theorem, what is the moment of inertia of the rod of mass m about the axis shown below? (Use the following as necessary: m and L.) 3L 4 I =Please explain in detail, I will upvote. Thank you.The figure below shows, at left, a solid disk of radius R = 0.700 m and mass 75.0 kg. Tu R Mounted directly to it and coaxial with it is a pulley with a much smaller mass and a radius of r = 0.230 m. The disk and pulley assembly are on a frictionless axle. A belt is wrapped around the pulley and connected to an electric motor as shown on the right. The turning motor gives the disk and pulley a clockwise angular acceleration of 1.67 rad/s2. The tension T, in the upper (taut) segment of the belt is 145 N. (a) What is the tension (in N) in the lower (slack) segment of the belt? (b) What If? You replace the belt with a different one (one slightly longer and looser, but still tight enough that it does not sag). You again turn on the motor so that the disk accelerates clockwise. The upper segment of the belt once again has a tension of 145 N, but now the tension in the lower belt is exactly zero. What is the magnitude of the angular acceleration (in rad/s2)? rad/s?
- The figure below shows, at left, a solid disk of radius R = 0.650 m and mass 50.0 kg. R Tu Mounted directly to it and coaxial with it is a pulley with a much smaller mass and a radius of r = 0.230 m. The disk and pulley assembly are on a frictionless axle. A belt is wrapped around the pulley and connected to an electric motor as shown on the right. The turning motor gives the disk and pulley a clockwise angular acceleration of 1.67 rad/s². The tension in the upper (taut) segment of the belt is 175 N. u (a) What is the tension (in N) in the lower (slack) segment of the belt? Enter a number. ägnitude and direction of the torque due to the upper belt, in terms of the tension in the upper belt? What about the lower belt? What is the net torque, and how is it related to the angular acceleration? Be careful of signs-what is the direction of the angular acceleration, and how is it related to the torque directions? N (b) What If? You replace the belt with a different one (one slightly longer…A uniform disk is mounted to an axle and is free to rotate without friction. A thin uniform rod is attached to the disk with a block that is attached to the other end of the rod, as shown in the figure below. Block String Rod Disk Rod: mass m, length 2R Block: mass 2m Disk: radius R The system is in equilibrium with the rod at an angle 0o with respect to the vertical and a horizontal massless string with one end attached to the rim of the disk and the other to a wall. Find an expression for the tension in the string.A small lightweight rocket is attached to a 1-kg disc that is initially at rest. The disc with a radius of 257 mm is connected to a frictionless stationary pivot O via a lightweight rod of length 1.33 metres (top view shown below). The rocket provides a constant 22.5 N force and remains perpendicular to the connecting rod. Assume the disc slides on a frictionless surface. Calculate the magnitude of the reaction force at pivot 04 seconds after the rocket was fired. Give your answer in newtons and round the final answer to two decimal places. B ENGGE 121 Quiz 1 ENGE Quiz r
- The slender rods presented in the structure have a mass of 6.5 kg/m. You are required to: a) Determine the centre of mass for the structure. b) Determine the moment of inertia for the structure about an axis perpendicular to the page at the centre of mass. CONNECTION 75 mm STANCHION- I 75 mm A LONGITUDINAL "A STRAKE 160 mmRefer to the picture belowA uniform bar of length L = 0.89 m and mass M = 2.3 kg, freely rotating around a frictionless hinge, is released from rest in its horizontal position, as shown in the figure. The angular %3D acceleration of the bar is: L/2 a) a = 11.0112 rad/s? b) a = 5.5056 rad/s2 c) a = 22.0225 rad/s2 d) a = 16.5169 rad/s?