Work and Energy, Conceptual Questions See here conceptual questions on Work and Energy included in the Physics course for grade 11. S.NoStatement of the questionQuestion…
Question 4: Is kinetic energy a vector quantity?ANSWERNo, Kinetic energy is not a vector quantity. Like any other form of energies, Kinetic Energy is also…
Question 5: What happens to the KE of the bullet when it penetrates into the target? ANSWER When a bullet of mass ‘m’ is moving…
Question 6: Does the tension in the string of a swinging pendulum do any work? Explain. ANSWER Work done by a force is given by…
Question 7: A meteor when enters into the earth’s atmosphere burns. What happens to its energy? ANSWER When a meteor from the outer space enters…
Question 8: What type of energy is stored in the spring of a watch? ANSWER When we wind the spring of a watch, we do…
Question 9: A man drops a cup from a certain height which breaks into pieces. What energy changes are involved? ANSWER When the cup is…
Question 10: A man rowing boat upstream is at rest with respect to shore. Is he doing work? ANSWER Physically, work is done when a…
Question 11: Why energy savers are used instead of normal bulbs? ANSWER In many ways, energy savers are more energy efficient as compared to normal…
Work and Energy, Conceptual Questions See here answers to the conceptual questions of Work and Energy included in the Physics course for grade 11. Question…