Question

what is machine?????????????​

Answer 1

Answer:

A machine (or mechanical device) is a mechanical structure that uses power to apply forces and control movement to perform an intended action. ... They can also include computers and sensors that monitor performance and plan movement, often called mechanical systems.

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Answer 2

Explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).

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