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

Break a circuit.

Break a promise.

A: different meanings

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

On weekends I play.

She played all her money on the dark horse.

A: different meanings

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

They had sex in the back seat.

(The believers ... those ...) who abstain from sex.

A:
the same meaning