List the seven principles of biomechanics and their definitions.

See explanation

Explanation:

• Stability: this is defined as the ability of a certain body to go back to its original position or equilibrium when such body is displaced.

• Maximum Effort: This is the use of maximum force towards accomplishing a particular objective e.g lifting of weight.

• Maximum Velocity: Thus is the maximum speed that a certain body uses to move in a particular direction. We should note that when there's maximum speed, there's acceleration is zero.

• Impluse: It is the effect of a force that acts over time.

• Reaction:

• Torque: It is the rate of change that occurs in the angular momentum of a certain object.

• Angular Momentum: It measures the rotational momentum that occurs in a system.

tell their parents and make sure she gets from a counselor or therapist. be supportive and be there for her. be a kind and good friend. spend time with her to make her feel like she's not alone. i'm not a professional but i really hope they stays strong.