1. Two slender rods are welded together at right angles and released from rest as shown. The two welded bars rotate freely around point C. Each bar is 10 lbs and is 1.5 ft long. At release, what is the acceleration magnitude of point B?

2. A vertical 0.2-meter-long slender bar with a uniform cross section is released from rest. It rotates in a vertical plane under the action of gravity. The coefficient of friction between the bar and horizontal surface is 0.5. Determine the angle theta when the bar begins to slip.

3. The unbalanced wheel O has a mass of 30kg, and its radius of gyration with respect to the axis of rotation is 7cm. A 20 kg block B is attached to the wheel by a cable. A constant moment of 15 N-m is applied to the wheel. At the instant shown, the angular velocity w of the wheel is 4 rad/s. Determine the force exerted on the wheel by the pin at support O.

4. A bar of mass m is supported by means of a hinge. For what value of x is the angular acceleration of the horizontal bar maximum? (Point C is at the center of the rod.)

The calculations and answers to these problems are included in the attached PDF document. Calculations are not formatted in Word, rather, are written neatly by hand.

... of inertia of the coil about axis A2, α = angular acceleration. ... the scalar sum of the moments of inertia of four ...Mass per unit length of the wire = 270/3 = 90 g ...

... movements Quantity Translational Rotational acceleration a α (angular acceleration) Velocity v ω = v/R force F=ma τ = Iα (I=moment of inertia) mass m I ...

... The relation between torque , angular acceleration and moment of inertia... given by: (1.1) The moment of inertia of a ... Where is the distance between mass i to ...

... Assume the mass m1 is more massive and is descending with acceleration a. The moment of inertia of a ... starting from rest and reaching an angular speed of ...

... b) mass of C, mC= 40 kg radius of gyration of C ... Hence, inertia of C, IC = mC*kC^2 = 40*0.1^2 ... Hence, drum C angular acceleration: alphaC = 2*a/rC rC (radius of C ...

... Weight Mg acts vertically downwards at the centre of mass and tension T in the ...Angular acceleration of the yo-yo = α = Torque/moment of inertia = Tr/I ...

... of 105 m and a moment of inertia of 5.03 ... of the station for a union meeting, the angular speed changes ... Assume that the average mass for each inhabitant is 65.0 ...

... does the moment of inertia of an object depend? A. linear speed B. linear acceleration C. angular speed D. angular acceleration E. total mass F. shape and ...

... an object, the particle with the smallest mass may contribute ... 0.10 m and moment of inertia 0.15 kg ... is the magnitude of the resulting angular acceleration of the ...