Question

A drilling machine shows a combination of motions. Why? Plz answer my question fast

Answer 1

When we perform drilling operations.

The drill 2 motion

One is rotary and second is translatory motion

Let understand it.

When we start the drilling operation the the twist drill( in general language drilling bit)
Is held in the chuck and chuck is connected to the spindle which provides the rotation to the drilling bit

When drilling bit starts rotation and come in the contact with workpiece the dead center or chisel edge start penetration in work piece
And cause remove of material from work pieces and due to this the drilling moves inside the work piece and create hole.

This is ur ans hope it will help you in case of any doubt comment below

Answer 2

Answer:

An electric drill has both translatory and rotatory motion. As the drill rotates,it's moves into the wood

Explanation:

The bit of the drill rotates as well as moves forward into the wood.

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