1. The hollow tube is pivoted about at point 0, rotating in the verticalplane with a constant clockwise angular velocity of 3 rad/sec. If a 230 gplug is sliding in the tube towards 0 with a constant speed of 30mm/sec relative to the tube when the position 30 degrees is passed andthe plug is at 300 mm from O• find the normal force on the plugfind the friction force on the plugMake sure to clearly state the direction the forces act in.

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1. The hollow tube is pivoted about at point 0, rotating in the vertical
plane with a constant clockwise angular velocity of 3 rad/sec. If a 230 g
plug is sliding in the tube towards 0 with a constant speed of 30
mm/sec relative to the tube when the position 30 degrees is passed and
the plug is at 300 mm from O
• find the normal force on the plug
find the friction force on the plug
Make sure to clearly state the direction the forces act in.

Expert Solution

Step 1

Newton's Second Law of Motion

According to Newton's Second Law of motion, the rate of change of momentum of an object is directly proportional to the net external force acting on the object. Mathematically it is given as

$\sum_{i = 1}^{n} F_{i} = m a$

The LHS is the net external force acting on an object of mass m causing an acceleration a.

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he plug is at 300 mm from 0 find the normal force on the plug • find the friction force on the plug