Two children carry a lightweight 1.2 -long horizontal pole with a water bucket hanging from it…..?

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The older child supports twice as much weight as the younger child. How far is the bucket from the older child?

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2) Four children are playing in a field. The children form a line, holding hands. The player at the front of the line starts to spin around faster and faster, causing the others to run in circle, as shown in the figure.

While the line of children is rotating, which of the following statements are correct?

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Check all that apply.

The player at the front of the line has the smallest angular acceleration.

The player at the front of the line has the smallest linear velocity.

All the children have the same angular acceleration.

All the children have the same linear velocity

1 Answer

  • 1) by law of moments of forces 2 W x = w ( 1.2 – x), where ‘x’ is the distance of bucket from older child. solving this you get x = 0.4 m

    2) all the children will have same angular acceleration, but the player at the front has smallest linear velocity.


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