HARD
9th CBSE
IMPORTANT
Earn 100

The figure shows the variation of force and displacement. Find the value of work done at the end of the displacement 30 m is 

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Important Questions on Work and Energy

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 01>Q 1
Give two necessary conditions without which work is not said to be done in science.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 01>Q 2
Give the formula to calculate work done on an object if force applied and displacement in it is known.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 01>Q 3
Define 1 J work.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 01>Q 5
How much work is done by a coolie to carry load on his head?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 02>Q 1
When is an object said to possess energy?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 02>Q 2
How will the kinetic energy of an object change If its speed is halved?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 02>Q 3
State work- energy theorem.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 11 - Work and Energy>Check Point 02>Q 4
Name the type of energy possessed by the water stored in a dam.