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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.

The SI unit of moment is

  N m

  N/m

  N/m2

  Half-n-half Clue
 

2.

A mass of 70 g is attached at one end of a rod, and a mass of 30 g is attached at the other end. If the length of the rod is  40 cm, then the fulcrum should be placed _______ cm away from the 70 g mass for the rod to balance.

  28

  12

  16

  24

  Half-n-half Clue
 

3.

A force of 4 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 _______.

  5 N upwards

  5 N downwards

  13 N upwards

  13 N downwards

  Half-n-half Clue
 

4.

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

  neutral

  stable

  unstable

  Half-n-half Clue
 

5.

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

  True

  False

 

6.

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

  centrifugal force

  centripetal force

  weight

  density

  Half-n-half Clue
 

7.

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

  True

  False

 


 
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