10 Questions
What provides the energy for the life processes of living beings?
Food
What concept closely relates to work and is studied in the chapter?
Energy
Why do some engines require fuel like petrol and diesel?
To provide energy for work
What do living beings and machines need energy for?
To perform activities and work
What is the difference between the way 'work' is used in day-to-day life and in science?
'Work' in day-to-day life involves force applied over a distance
What is the source of energy for the life processes of living beings?
Sunlight
Why do some engines require fuel like petrol and diesel?
To power mechanical work
What closely related concept is studied in the chapter along with work and energy?
Power
What do living beings and machines need energy for?
To maintain body temperature
What is the difference between the way 'work' is used in day-to-day life and in science?
In science, work refers to physical or mental effort, while in day-to-day life, it refers to a job or occupation.
Test your knowledge of work, energy, and power with this quiz. Explore the concepts related to the motion of objects, cause of motion, gravitation, and the role of energy in life processes.
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