Question

Define the following

a) mechanics

b) kinematics

c) acceleration ​

Answer 1

Answer:

1=a person whose job is to repair and work with machines

2=the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion

3=Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

Explanation:

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Answer 2

Answer:

Mechanics ;

Mechanics is the area of physics concerned with the motions of physical objects. Forces applied to objects result in displacements, or changes of an object's position relative to its environment. This branch of physics has its origins in Ancient Greece with the writings of Aristotle and Archimedes.

kinematics ;

Kinematics, branch of physics and a subdivision of classical mechanics concerned with the geometrically possible motion of a body or system of bodies without consideration of the forces involved (i.e., causes and effects of the motions).

acceleration ;

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.