Motion in a Plane Multiple Questions and Answers.




6.Motion of the tip of second hand of the clock is an example for?
A. Uniform circular motion
B. Projectile motion
C. Motion in a plane with uniform velocity
D. Motion in a plane with constant acceleration

7.M0 L0 T(-1) is an example for?
A. Angular displacement
B. Angular velocity
C. Frequency
D. Time period

8.Calculate the angular speed of flywheel making 420 revolutions per minute.
A. 42300 rad/sec
B. 1200 rad/sec
C. 10/4200 rad/sec
D. 44 rad/sec

9.Find the magnitude of the centripetal acceleration of a particle on the tip of a fan blade, 0.30 metre in diameter, rotation at 1200 rev/minute?
A. 40 m/s2
B. 4737.6 m/s2
C. 245 m/s2
D. 20 m/s2

10.What is the minimum number of coplanar vectors of different magnitudes which can give zero resultant?
A. One
B. Two
C. Three
D. Four

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