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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.

If a walking stick with a mass of 300 g can be balanced by placing a mass M of 180 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.

  12

  6

  60

  60

  Half-n-half Clue
 

2.

The center of gravity of a body is the point about which all the clockwise moments equal all the anticlockwise moments.

  True

  False

 

3.

If a man pushes a door with a force of 6 N, then the moment he exerts about the hinge 90 cm away is _______.

  5.4 N m

  10.8 N m

  540.0 N m

  1080.0 N m

  Half-n-half Clue
 

4.

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

  unstable

  stable

  neutral

  Half-n-half Clue
 

5.

There are fundamentally _______ kinds of equilibrium.

  four

  two

  three

  Half-n-half Clue
 

6.

The _______ of a force is the product of the force and the shortest distance from a point to the line of action of the force.

  momentum

  moment

  stability

  Half-n-half Clue
 

7.

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

  True

  False

 


 
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