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Subject :NSO    Class : Class 4

Ravi set up an experiment as shown in the given diagram. The diagram shows five identical balls being suspended on a rod by strings of different lengths. Ravi then cut all five strings at the same time and the balls were allowed to fall freely to the ground. Which of these statements holds true for this experiment?


A Ball b had the greatest impact on the ground.
B Ball a had more potential energy than ball b at the start.
C Ball d had the highest potential energy at the start.
D Ball a and e had different amounts of potential energy at the start due to their different positions along the rod.


Ans 1:

Class : Class 4
THE BALL AT THE HIGHEST POINT HAS HIGHEST POTENTIAL ENERGY

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4

Ans 4:

Class : Class 8
Question's confusing I didn't get A's explanation please help

Ans 5:

Class : Class 8
I was thinking A or C please explain

Ans 6:

Class : Class 7
Ans is a you were correct Ashwak and Areen

Ans 7:

Class : Class 2

Ans 8:

Class : Class 5
Same as ASHMI

Ans 9:

Class : Class 4

Ans 10:

Class : Class 9
The answer is A

Ans 11:

Class : Class 5
Answer is A.

Ans 12:

Class : Class 9
I don't understand is the answer A or C

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