which force was the first to be discovered?\ngravity\nweak nuclear force\nstrong nuclear force\nelectromagnet…

Brief Explanations:

Gravity has been observed and studied for centuries, with early - work by Galileo and Newton. The strong and weak nuclear forces were discovered much later in the 20th century as part of the development of nuclear physics. Electromagnetic force also had its key discoveries later in history compared to the long - known effects of gravity.

Answer:

Gravity