4) The homogeneous rod AB weighs 96.6 lb and is at rest in the vertical position when an impulsive blow of 6 lb-sec is applied at the end B of the rod. Determine. (a) The angular velocity of the rod after the impulse has been applied. (b) The time average force acting on the rod exerted by the horizontal component of the pin reaction at A if the im- pact time interval is 0.002 sec.

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A: For the solution refer below images.

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Q: 3) The assembly consists of two 10-lb, 4-ft bars AB and BC that are pin connected to the two 12-lb,…

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Q: part 2 please

A: The mass of the bar is m=3.2 kg The radius of bar is r=120 mm The angular velocity is ω=4.3 rad/s…

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A: The disc rolls without slipping.

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Q: determine its angular velocity 3 s

A:

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.