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School Physics Quiz : Stability & Moments


Answer the following questions based on stability & moments.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

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

  True

  False

 

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  50 cm, then the fulcrum should be placed _______ cm away from the 70 g mass for the rod to balance.

  20

  35

  30

  15

  Half-n-half Clue
 

3.

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

  unstable

  neutral

  stable

  Half-n-half Clue
 

4.

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 20 cm from the fulcrum, then the center of gravity of the stick is _______ cm away from the fulcrum.

  8

  40

  60

  4

  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 center of gravity of a thin rectangular metal plate is at the

  intersection of its diagonals.

  one of the vertices.

  midpoint of the longer side.

  midpoint of the shorter side.

  Half-n-half Clue
 

7.

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

  stable

  unstable

  neutral

  Half-n-half Clue
 


 
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