Question

An athlete making a high jump to clear the bar at a certain height

Answer 1

Explanation:

An athlete pushes the ground with his feet. His feet exert a muscular force on the ground. This allows him to jump over the bar. As a result, his state of motion gets changed.

Answer 2

Answer:

Muscular force

Explanation:

because, an athlete making a high jump to clear the bar at a certain height. The athlete pushes the ground using muscular force. This causes the athlete to rise in the air. (This causes the athlete to fly in the air).