Physics Homework Aid
Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.
QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.
- If infra-red radiation hits the skin, you feel __ . What one word completes the sentence?
- Magnetic field lines always point from __ to south.
- In a bar magnet the magnetic force seems to come from each end. The ends of a bar magnet are called the __ . What one word completes the sentence?
- An advantage of electromagnets over bar magnets is that you can easily vary the __ of the magnetic field. What word completes this sentence?
- In a bar magnet we say that like poles do what?