Answer: parallelogram law.
- A parallelogram law
- B Ohm's circuit law
- C Hooke's elastic law
- D Boyle's gas law
Correct answer: A. parallelogram law
Explanation: The parallelogram law of vector addition gives the resultant of two vectors.
Projectiles at equal speed: range is maximum at 45°, and complementary angles (30° and 60°) share the same range. Image: Cmglee, CC BY-SA 3.0, via Wikimedia Commons.
Concept context
Vectors, projectile motion, uniform circular motion, and relative velocity - the foundation of 2D kinematics for NEET and JEE.