NCERT Exercise 4.2 - Laws of Motion
Question: A 0.05 kg pebble is thrown upward. Find the net force during ascent, descent, at the highest point, and when thrown at 45 degrees. Ignore air resistance.
Answer: In every case, the net force is **0.49 N vertically downward**.
Full step-by-step NCERT solution with diagrams on Something by Zero.