CBSE Class 11 System of particles and Rotational Motion Worksheet B

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1. A wheel 0.5m in radius is moving with a speed of 12m/s. find its angular speed?

2. State the condition for translational equilibrium of a body?

3. How is angular momentum related to linear momentum?

4. A planet revolves around on massive star in a highly elliptical orbit is its angular momentum constant over the entire orbit. Give reason?

 5. Obtain the equationw = w_o + at ?

6. What is the torque of the force acting at the point   about the origin?

7. The moment of inertia of a solid sphere about a tangent is 7/5 MR² . Find the moment of inertia about a diameter?

 8. Four particles of mass 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of square of side 1m. Find the position of centre of mass of the particle.

9. (a) Why is moment of inertia called rotational inertia?

(b) Calculate M.I of a uniform circular disc of mass 500gm and radius 10cm about

(i) Diameter (ii) axis tangent to the disc and parallel to diameter 

(c) Axis passing trough centre and perpendicular to its plane? 

Click on link below to download CBSE Class 11 System of particles and Rotational Motion Worksheet B.