Work, Energy, and Power Quiz - CBSE Class 11 Physics

Free practice quiz: Work, Energy, and Power (CBSE Class 11 Physics). 39 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the work done when a force of 10 N moves an object 5 m in the direction of the force?

   1. 50 J
   2. 100 J
   3. 10 J
   4. 25 J
   Show answer

   Answer: A. 50 J

2. If 15 J of work is done to lift a 1.5 kg object, what is the height to which it is raised?

   1. 1 m
   2. 2 m
   3. 3 m
   4. 4 m
   Show answer

   Answer: A. 1 m

3. What happens to the total mechanical energy of an object in free fall neglecting air resistance?

   1. It increases
   2. It decreases
   3. It remains constant
   4. It becomes zero
   Show answer

   Answer: C. It remains constant

4. A baseball and a bowling ball are both dropped from the same height. When they reach the ground, which has a greater potential energy just before impact?

   1. Baseball
   2. Bowling Ball
   3. Both have the same potential energy
   4. Cannot determine
   Show answer

   Answer: B. Bowling Ball

5. What is the work done by a force of 10 N moving an object 5 m in the direction of the force?

   1. 50 J
   2. 10 J
   3. 5 J
   4. 15 J
   Show answer

   Answer: A. 50 J

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