he horizontal motion of the spring-loaded follower E, which is always in contact with the cam A is controlled by the air pressure in the horizontal pneumatics cylinder F. The follower has a velocity of 2 m/s to the right when angle �= 30o. Figure 2: Follower-cam mechanisms 3.1. Calculate the downwards velocity of the roller D in the vertical guide and the angular velocity of the link ABD for this position. (10) 3.2. If the initial velocity of the follower E is zero when angle �= 30o and reaches the final velocity of 2 m/s after 0.5 seconds, calculate the acceleration of the roller D.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.