In dynamics, a particle is assumed to have _____. a) both translation and rotati

Question

In dynamics, a particle is assumed to have _____. a) both translation and rotational motions b) a mass but the size and shape cannot be neglected c) only a mass d) no mass or size or shape, it is just a point The average speed is defined as ______. a) Delta r/Delta t b) s_T/Delta t c) Delta s/Delta t d) All of the above In dynamics, kinematics is concerned with the______ aspects of motion while kinetics is concerned with the_____ causing the motion a) acceleration; velocities b) acceleration; forces c) geometric; velocities d) geometric; forces

Explanation / Answer

1) Option D

In Dynamics, Particle is just a point and its shape and mass are neglected.

2) Option C

Average speed is the distance covered in time t.

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