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School Physics Quiz : Stability & Moments


Answer the following questions based on stability & moments.

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Multiple choice

Your Performance  

1.

funnel equilibrium A funnel that is balanced upright on a table on its narrow tip is in _______ equilibrium.

  neutral

  unstable

  stable

  Half-n-half Clue
 

2.

The moment of a force is inversely proportional to the turning effect of the force.

  True

  False

 

3.

A sphere that is at rest on a table is in _______ equilibrium.

  neutral

  stable

  unstable

  Half-n-half Clue
 

4.

A force of 6 N acts on a small body pushing it vertically upwards. Simultaneously, another force of 8 N acts on it pushing it vertically downwards. The resultant of the two forces is _______.

  2 N upwards

  14 N upwards

  14 N downwards

  2 N downwards

  Half-n-half Clue
 

5.

The center of gravity of a body is the point about which all the clockwise moments equal all the anticlockwise moments.

  True

  False

 

6.

The point where all the _______ of an object appears to be concentrated is called its center of gravity.

  centripetal force

  centrifugal force

  weight

  density

  Half-n-half Clue
 

7.

An object with a high center of gravity is more stable than an object with a low center of gravity.

  True

  False

 


 
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