Advanced Dynamics Knowledge Test

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1. 1

   In dynamics, what is meant by 'kinetic energy' of a system?

   A Energy due to position of the object. B Energy due to motion of the object. C Energy due to temperature of the object.
2. 2

   What is the fundamental difference between dynamics and statics?

   A Dynamics deals with equilibrium conditions. B Statics studies systems in motion. C Dynamics studies forces and their effects on motion.
3. 3

   Which principle is used to describe the motion of an object in a straight line with constant speed?

   A Newton's First Law of Motion. B Newton's Second Law of Motion. C Newton's Third Law of Motion.
4. 4

   How is angular velocity defined in rotational dynamics?

   A Distance covered by a rotating object per unit time. B Rate of change of angular displacement per unit time. C The force exerted on a point mass in circular motion.
5. 5

   Which of the following is a scalar quantity in dynamics?

   A Speed. B Force. C Acceleration.
6. 6

   What is the moment of inertia in the context of rotational motion?

   A The velocity of a rotating body. B The torque applied to a rotating body. C The resistance to change in its rotational motion.
7. 7

   What does the principle of work-energy in dynamics state?

   A Energy can be created or destroyed. B The work done on an object is equal to its change in kinetic energy. C Force is equal to mass times acceleration.
8. 8

   Which term describes the tendency of a rotating object to maintain its motion?

   A Angular momentum. B Angular velocity. C Angular displacement.
9. 9

   In simple harmonic motion, what is the phase difference between displacement and acceleration?

   A 180 degrees. B 90 degrees. C 0 degrees.
10. 10

    What is the coefficient of restitution in dynamics?

    A A measure of energy lost in collision. B Ratio of output force to input force in collision. C A measure of how much kinetic energy remains after a collision.