Finding the force on an object undergoing angular velocity

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SUMMARY

The discussion centers on calculating the force exerted on a cylindrical can with a mass of 3 kg, elevated from a trough at a 30-degree angle on a circular ramp with a radius of 0.6 m. The can is elevated by a rotating rod moving at a constant angular velocity of 0.5 rad/s. The distance from the pivot of the rod to the can is defined as r = 1.2cos(θ) m, indicating that the moment arm varies with the angle θ. Key considerations include the orientation of the circular ramp and the mechanics of the rotating rod's interaction with the can.

PREREQUISITES
  • Understanding of angular velocity and its effects on force
  • Knowledge of moment arms in rotational dynamics
  • Familiarity with trigonometric functions, particularly cosine
  • Basic principles of forces acting on objects in circular motion
NEXT STEPS
  • Calculate the force on the can using the equation F = m * a, incorporating angular acceleration.
  • Explore the concept of moment of inertia for rotating objects.
  • Learn about the dynamics of objects on inclined planes and their forces.
  • Investigate the effects of varying angular velocities on forces in rotational systems.
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and rotational dynamics, as well as educators seeking to enhance their understanding of forces in angular motion.

jbrizown
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a cylindrical can with mass = 3kg is elevated from a trough at point X that is at the 0 degree mark on a circular ramp with radius .6m. The can is elevated by a rotating rod moving at a constant 0.5 rad/s. determine the force on the can when θ
=30 degrees. The distance r from the pivot of the rod to the can is r = 1.2cosθ m . the distance from the pivot of the rod to the 90 degree mark of the circular ramp is .6m.


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The Attempt at a Solution

 
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You get the best out of these forums when you show some attempt at the problem - then we know where to focus our attention.

It will help to start with a diagram ... show us too: the description is incomplete.
eg. is the circular ramp concave up or concave down? Is the bottom of the ramp at the bottom or top of the trough? Where is the "rotating rod" pushing the can - through it's axis? Hooked under a rim? How come the moment arm depends on angle?
 

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