body Ikg m' rotales with a uniform angular velocity of 20 rad'sec. when an erternal torque 10 Nm is acting on it. If the erternal couple is removed calculate the time taken to stop and the total angle by which it rotates before it stops.
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- A merry-go-round wih a radius of 2.2m rotates 10.0 times every 5.00s. The merry go round has a mass of 100.0kg. If a torque of 5N*m is applied for 15.0s, what is the change in the angular momentum?A solid ssphere of radius 25cm & mass 25kg ro fater about an axis through its center. Calculate its moment of inertia of its angulal velocity changes from 2 rad/s to 12 rads in 5 second. Also calculate torque applied?A wheel of mass 40 kg and radius of gyration 0.5 m comes to rest from a speed of 180 rpm in 3s. Assuming that the ratardation is uniform then the value of retarding torque in Nm is-
- plss answer correctlyI neep help understanding how to solve for this question, could anyone help me out? Attachment for more details for the qiestion is given. Question: Use the information in the given Table to show that it requires four times as much mass at half the distance from the center in order to produce the same moment of inertia. Assume a ruler's mass is negligible.Suppose you exert a force of 185N tangential to the outer edge of a grindstone (which is a solid disk) with a radius of 1.56m and a mass of 74kg. What is the angular acceleration of the grindstone αf, in radians per square second, if there is an opposing frictional force of 22.5 N exerted 0.45 m from the axis?
- The flywheel of an engine has a moment of inertia of 2.50kg.m2 about its rotation axis. What constant torque is required to bring it up to an angular speed 400rrev/min of in 8.00 s, starting from rest?A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 11.0 rev/s; 30.0 revolutions later, its angular speed is 25.0 rev/s. Calculate la) the angular acceleration (rev/s1. (b) the tirne required to complete the 30.0 revolutions, (c) the time required to reach the 11.0 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 11.0 rev/s angular speed. ja) Number Unit įb) Number Unit (c) Number Unit (d) Number UnitGiven the two vectors r and F shown above, choose the direction of the resulting torque vector. left swer Tries 0/2 right in Discussion Senc out up
- A string is wrapped around a pulley of radius 1 m and moment of intertia 5 kgm2. If the string is piulled with a force F, the resulting angular acceleration of the pulley is 5o rad/s2 . Determine the magnitude of the force F.The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 9.30 N at point A, 5.40 m from O; FB = 13.0N at point B, 2.90 m from O; and Fc = 18.0 N at point C, 2.90 m from O. Taking the clockwise direction to be negative, what is the net %3D torque about O? 135° A C 160° 90 FA Units Number iThe particle of mass m = 3.4 kg is attached to the light rigid rod of length L = 1.10 m, and the assembly rotates about a horizontal axis through O with a constant angular velocity - w - 2.0 rad/s. Determine the force Tin the rod when e- 28°. The force Tis positive if in tension, negative if in compression. L