Final answer:
When performing physics exercises, one must identify the relevant physical principles, solve problems using established strategies, and apply these techniques to integrated concepts, such as combining mechanics with electromagnetism.
Step-by-step explanation:
To perform each exercise in physics, the principles include identifying physical principles involved, solving the problem using problem-solving strategies, and applying these strategies to integrated concepts.
The first principle in tackling physics exercises is to identify which physical principles are involved. This means recognizing which laws and concepts of physics are relevant to the problem at hand. For example, if we are dealing with a question about a falling object, the principles involved would include gravity and motion dynamics.
The second principle is to solve the problem using strategies outlined in the text. This involves using steps and techniques that have been introduced throughout your studies to effectively find solutions. An example of this would be applying the kinematic equations to determine the velocity of an object in free fall.
Lastly, applying these problem-solving strategies to integrated concepts is crucial. This implies using a combination of principles across several topics to solve more complex problems. An example of this would be incorporating concepts from both electromagnetism and mechanics to calculate the trajectory of a charged particle in a magnetic field.