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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 An inverted funnel placed on a table is in _______ equilibrium.

  neutral

  stable

  unstable

  Half-n-half Clue
 

2.

A chalkstick that is balanced upright on a table is in _______ equilibrium.

  unstable

  stable

  neutral

  Half-n-half Clue
 

3.

Three forces in equilibrium acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order.

  True

  False

 

4.

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
 

5.

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.

  12

  28

  24

  16

  Half-n-half Clue
 

6.

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

  unstable

  neutral

  stable

  Half-n-half Clue
 

7.

There are fundamentally _______ kinds of equilibrium.

  four

  two

  three

  Half-n-half Clue
 


 
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