You can find multiple-choice questions (MCQs) for Class 9 Science Chapter 10 Work and Energy with answers below. These MCQs are specifically designed for students studying in Class 9 and follow the CBSE board curriculum. They align with the latest syllabus provided for Class 9 science. By attempting these MCQs, students can efficiently revise the concepts discussed in the chapter and effectively prepare for their Class 9 Annual examinations.
Previously – Gravitation Class 9 Science MCQ
Check Science Chapterwise Class 9 – Class 9 Science MCQ with Answers
Work and Energy Class 9 Science MCQ
Q.1. Which of the following is the scientific conception of work?
a) Physical effort put into a task
b) Achieving the desired result
c) Force applied on an object to change its position
d) Effort required to complete a task
Answer
Q.2. Which of the following is an example of potential energy?
a) A moving car
b) A burning candle
c) A stretched rubber band
d) A flowing river
Answer
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Q.3. According to the law of conservation of energy,
a) Energy cannot be created but can be destroyed
b) Energy can be created but cannot be destroyed
c) Energy can be created and destroyed
d) Energy can neither be created nor destroyed, only transferred or converted
Answer
Q. 4. Which type of energy does an object possess due to its motion?
a) Potential energy
b) Thermal energy
c) Kinetic energy
d) Chemical energy
Answer
Q.5. The potential energy of an object at a height depends on the object’s:
a) Mass
b) Velocity
c) Shape
d) Temperature
Answer
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Q.6. What is the rate at which work is done called?
a) Power
b) Energy
c) Force
d) Velocity
Answer
Q.7. What is the unit of work?
a) Watt
b) Newton
c) Joule
d) Ohm
Answer
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Q.8. Which of the following is an example of work?
a) Moving a book from one table to another
b) Holding a book stationary in your hand
c) Pushing against a wall that does not move
d) Lifting a book and keeping it at the same height
Answer
Q.9. Which type of energy is associated with the position of an object?
a) Mechanical energy
b) Nuclear energy
c) Electrical energy
d) Magnetic energy
Answer
Q. 10. When work is done by a constant force, what is the determining factor of the work done?
a) Time taken to do the work
b) Force applied
c) Distance traveled by the object
d) Acceleration of the object
Answer
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