Rotational Dynamics

Topic Page

Questions

• Is it possible to convert rotational motion into linear? How?
• How does Kepler's Law contradict circular motion?
• How is rotational motion created?
• How can I calculate rotational speed?
• How would atmospheric circulation be affected if earth's speed of rotation were doubled?
• What is an example of a rotational dynamics practice problem?
• Why is angular momentum perpendicular?
• How does torque affect angular momentum?
• How does mass affect angular velocity?
• How does mass affect angular momentum?
• How does mass affect angular acceleration?
• How does angular momentum relate to our solar system?
• How does angular momentum differ from linear momentum?
• How does angular acceleration relate to linear acceleration?
• Can angular momentum be conserved?
• What is angular displacement?
• A wheel rotating with a uniform acceleration covers 100 revolution in the first 10 seconds after the start. What is the angular velocity at the end of 10 seconds?
• A wagon of mass 500 kg is travelling around a circular path of radius 200 m with study speed of 90 km/h. What is the angular momentum?
• What is rotational dynamics?
• A wheel of radius 1 meter rolls forward half a revolution on a horizontal ground. The magnitude of the displacement of the point of the wheel initially in contact with the ground is ?
• A drum rotates around its central axis at an angular velocity of 14.4 rad/s. If the drum then slows at a constant rate of 8.02 rad/s^2, (a) how much time does it take and (b) through what angle does it rotate in coming to rest?
• In the figure, one end of a uniform beam of weight 420 N is hinged to a wall; the other end is supported by a wire that makes angles θ = 29° with both wall and beam. ?
• A planet requires 280 (Earth) days to complete its circular orbit around its sun, which has a mass of 6.5 x 10^30 kg. What are the planet's (a) orbital radius and (b) orbital speed?
• A gyroscope consists of a uniform disk with a 49 cm radius at the center of an axle that is 9 cm long and of negligible mass. It is horizontal and supported at one end. The disk is spinning around the axle at 990 rev/min, what is the precession rate?
• Question #85889
• A crane lifts a 487 kg beam vertically at a constant velocity. If the crane does 5.20 x 10^4 of work on the beam find the vertical distance that it lifted the beam?
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• Question #39427
• An object of mass m is circulating in a circular path of radius r with help of the centripetal force #-k/r^2#. Total kinetic energy of the object is???(rotation of rigid body)