Jessica weighs 540 Newtons, According to Newton's 3rd law, if the Earth pulls on Jessica 540 N, then Jessica pulls on the Earth 540 N acting in the opposite direction. If she trips while rollerblading, why will she fall to the ground
she falls because she and Earth are mutually attractive, and there is nothing keeping them separate.
Jessica will fall to the ground when she trips while rollerblading due to the force of gravity. When Jessica is standing on the ground, the Earth's gravity pulls her downwards with a force of 540 Newtons (N) due to her weight. According to Newton's third law of motion, for every action, there is an equal and opposite reaction.
When Jessica trips, she exerts a force on the ground in the opposite direction, but this force is not strong enough to counteract the force of gravity pulling her downwards. As a result, gravity overpowers her applied force, causing her to fall to the ground.
The force of gravity is a fundamental force that attracts objects towards the center of the Earth. It is always present, and unless there is some other force opposing it, objects will fall to the ground when unsupported.