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Mannat Verma from Vivek High School , Chandigarh
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:

anu from Haralur, Bengaluru
Class : Class 5

Ans 2:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
I don't understand is the answer A or C

Ans 3:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4

Ans 4:

DHANVI from CAMBRIDGE SCHOOL MANGALORE, MANGALORE
Class : Class 4

Ans 5:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2

Ans 6:

Tavish from Sanskriti Hyderabad, Hyderabad
Class : Class 7
Ans is a you were correct Ashwak and Areen

Ans 7:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A.

Ans 8:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Question's confusing I didn't get A's explanation please help

Ans 9:

Rajveer Santosh Mulik from Rims International School, Pune
Class : Class 4
THE BALL AT THE HIGHEST POINT HAS HIGHEST POTENTIAL ENERGY

Ans 10:

Kavin from ISG , Muscat, Muscat
Class : Class 5
Same as ASHMI

Ans 11:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is A

Ans 12:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I was thinking A or C please explain

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