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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.

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

  True

  False

 

2.

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

  unstable

  stable

  neutral

  Half-n-half Clue  
 

3.

If a man pushes a door with a force of 5 N, then the moment he exerts about the hinge 90 cm away is _______.

  4.5 N m

  9.0 N m

  450.0 N m

  900.0 N m

  Half-n-half Clue  
 

4.

A force of 5 N acts on a small body pushing it vertically upwards. Simultaneously, another force of 10 N acts on it pushing it vertically downwards. The resultant of the two forces is _______.

  5 N downwards

  5 N upwards

  15 N upwards

  15 N downwards

  Half-n-half Clue  
 

5.

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

  unstable

  neutral

  stable

  Half-n-half Clue  
 

6.

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

  centripetal force

  weight

  density

  centrifugal force

  Half-n-half Clue  
 

7.

Two forces acting at right angles, which have the same effect as a single force, are called _______.

  constituents

  resultants

  components

  Half-n-half Clue  
 


 
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