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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.

  unstable

  stable

  neutral

  Half-n-half Clue
 

2.

A force of 3 N acts on a small body pushing it vertically upwards. Simultaneously, another force of 9 N acts on it pushing it vertically downwards. The resultant of the two forces is _______.

  6 N downwards

  12 N downwards

  6 N upwards

  12 N upwards

  Half-n-half Clue
 

3.

The SI unit of moment is

  N m

  N/m2

  N/m

  Half-n-half Clue
 

4.

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

  True

  False

 

5.

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

  centripetal force

  density

  centrifugal force

  weight

  Half-n-half Clue
 

6.

funnel equilibrium A funnel lying horizontally on its side at rest on a table is in _______ equilibrium.

  neutral

  stable

  unstable

  Half-n-half Clue
 

7.

A pendulum at rest is in _______ equilibrium.

  stable

  unstable

  neutral

  Half-n-half Clue
 


 
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