Q: Does "attack" have the same meaning in the following two sentences?

Open to attack by the elements.

The film was sensitive to attack by acids.

A: the same meaning

Q: Does "pack" have the same meaning in the following two sentences?

You had better pack your swollen ankle with ice.

Pack the books into the boxes.

A: different meanings

Q: Does "get" have the same meaning in the following two sentences?

I can't get these boots off (or on).

She didn't get the joke.

A:
different meanings