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

  True

  False

 

2.

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

  unstable

  stable

  neutral

  Half-n-half Clue
 

3.

If a walking stick with a mass of 300 g can be balanced by placing a mass M of 120 g at a distance L of 30 cm from the fulcrum, then the center of gravity of the stick is _______ cm away from the fulcrum.

  40

  12

  4

  90

  Half-n-half Clue
 

4.

The resultant of two forces acting at a point can be determined by using the 'Parallelogram of Forces'.

  True

  False

 

5.

There are fundamentally _______ kinds of equilibrium.

  three

  two

  four

  Half-n-half Clue
 

6.

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

  stable

  unstable

  neutral

  Half-n-half Clue
 

7.

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 _______.

  12 N downwards

  6 N upwards

  12 N upwards

  6 N downwards

  Half-n-half Clue
 

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