MEDIUM
9th Telangana Board
IMPORTANT
Earn 100

When you lift a box from the floor and put it on an almirah the potential energy of the box increases but there is no change in its kinetic energy. Is it violation of conservation of energy? Explain.

Important Questions on Work and Energy

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9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Let us Improve our learning>Q 4
When an apple falls from a tree what happens to its gravitational potential energy just as it reaches the ground? After it strikes the ground?
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Multiple choice questions>Q 1

S.I unit of work

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9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Multiple choice questions>Q 2
The energy possessed by a body by virtue of its motion is called as
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Multiple choice questions>Q 3
Two objects with same masses have been dropped from a same height at the same time. Which of the following will remain same in case of these objects?
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Multiple choice questions>Q 4
A person is climbing a ladder with a suitcase on his head. Then the work done by that person on that suitcase is
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 10 - Work and Energy>Multiple choice questions>Q 5
If you have lifted a suitcase and kept it on a table, then the work done by you will depend on