Aring and a disc, both with radius r and mass m, roll down an incline. find their angular and linear accelerations.

Explanation:

Given

both ring and disc have mass m and radius r

Let be the inclination of plane with horizontal

be the friction force which provides torque to object

and ---1

where I=moment of inertia

and we know for pure rolling a=\alpha \times r[/tex]

thus

Thus Linear acceleration of ring with

For disc

Angular acceleration for ring

For disc

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

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explanation: