Select the correct images.
identify the arrows that show input force.

In the first picture, the input force will be the down arrow that is on the end of the crowbar.

In the second picture, the input force will be the down arrow that's on the rope.

In the third picture, the input force will be the upward arrow that's on the handles of the wheelbarrow.

It should be noted that a machine refers to a tool or equipment that makes one's work easier. The input force is the push or pull that one makes on a machine. The input forces have been analyzed above.

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Explanation:

The input force is the push or pull that you do on a machine.

In the first picture, the input force is the down arrow on the end of the crowbar.

In the second picture, the input force is the down arrow on the rope.

In the third picture, the input force is the up arrow on the handles of the wheelbarrow.