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Assignment 3

Unit IV

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1. The end of rod R shown in Fig. maintains contact with the cam by means of a spring. If

the cam rotates about an axis passing through point O with an angular acceleration, a,

and angular velocity determine the velocity and acceleration of the rod when the cam is

in the arbitrary position u.

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2. The cylinder shown in Fig. 16 –14a rolls without slipping on the surface of a conveyor

belt which is moving at . Determine the velocity of point A.The cylinder has a clockwise

angular velocity at the instant shown.

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3. Determine the angular velocity of the rod and the velocity of point C at the instant

shown.

4. At the instant shown, cable AB has a velocity of 3 m/s and acceleration of 1.5 m/s2 while

the gear rack has a velocity of 1.5 m/s and acceleration of 0.75 m/s2. Determine the

angular acceleration of the gear at this instant.

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5. At the instant q= 45o , link DC has an angular velocity of 4 rad/s and an angular

acceleration of 2 rad/s2. Determine the angular velocity and angular acceleration of rod

 AB at this instant. The collar at C is pin connected to DC and slides freely along AB.