Question

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DYNAMICS OF ROTATIONAL MOTION..........


PLZ ANSWER.............

Answer 1

Rotatiobal motion
An object at rest tends to remain at rest and an object in motiontends to continue moving with constant velocity unless compelled by a net external force to act otherwise. An object at rest tends to remain at rest and an object in rotation tends to continue rotating with constant angular velocity unless compelled by a net external torque to act otherwise.2ndAcceleration is directly proportional to net force and inversely proportional to mass or
∑F = ma angular accelerationis directly proportional to net torque and inversely proportional to moment of inertia or
∑τ = Iα3rdFor every action there is an equal and opposite reaction. (Here action and reaction refer to forces.) For every action there is an equal and opposite reaction. (Here action and reaction refer to torques.)

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Answer 2

ANSWER:

• Dynamics is concerned with force and mass and their effects on motion.

• For rotational motion, we will find direct analogs to force and mass that behave just as we would expect from our earlier experiences.

• Dynamics for rotational motion is completely analogous to linear or translational dynamics.

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