Homework Help: Physics

Posted by Alex on Saturday, August 18, 2012 at 7:47pm.

In a fairground ride a child of mass 37 kg stands against the inside surface of a circular cylinder of radius 3.9m that rotates around its vertical axis of symmetry. The cylinder has an angular speed of 1.3 rad/s and an angular acceleration of 0.12 rad s^-2. What is the radial inward force on the child.

Physics - drwls, Saturday, August 18, 2012 at 8:57pm
M*R*w^2

w is the angular speed
M is the mass
R is the radius

The angular acceleration doesn't matter in the radial direction.

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