MHT-CET : Physics Entrance Exam

### MHT - CET : Physics - Circular Motion Formulae Page 1

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1.

 Instantaneous Angular Speed, w = d q dt

2.

 Instantaneous Angular Acceleration, a = dw dt

3.

 Angular acceleration µ = w2 - w1 Where w 1 is the initial angular velocity and w 2 is the t final angular velocity in a time interval t.

4.

 Instantaneous Linear Speed v = ds dt

5.

 Linear Speed, v = r w Where r is the radius of the circle.

6.

 Instantaneous Linear Acceleration, a = dv dt

7.

 Tangential acceleration, a = r a Where r is the radius of the circle, a - angular acceleration.

8.

Magnitude of centripetal acceleration,

 a = v2 = w2 r = v w r

9.

Magnitude of centripetal force,

 f = mv2 = mw2 r = m v w r

10.

 Maximum safe speed on a curved unbanked road, vmax = Where m is the coefficient of static friction.

11.

 Maximum safe speed on a curved banked road vmax =

12.

Angle through which a bicyclist has to tilt his cycle while taking a turn on an unbanked road,

 q = tan-1 v2 rg

Where v is the velocity of  the vehicle.

13.

Angle of banking, q = tan-1

 v2 rg

Where v is the velocity of the vehicle.

14.

 vmax =

15.

 vmin =

16.

a = where aT is the tangential acceleration and aR is the radial acceleration.

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