Advertisements
Advertisements
प्रश्न
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
Advertisements
उत्तर
- About point A, force F1 would result in the maximum moment.
- F1 has the greatest distance between the point of application of force and A. As a result, the maximum moment of force would be produced.
APPEARS IN
संबंधित प्रश्न
State two factors on which affect moment of force.
Write the expression for the moment of force about a given axis of rotation.
Name of S.I. unit of the rate of change in momentum.
Name and define the S.I. and C.G.S. units of force. How are they related?
Give two examples of a couple's actions in our daily life.
The figure shows two forces each of magnitude 10 N acting at the point A and B at a separation of 50 cm, in opposite directions. Calculate the resultant moment of two forces about the point.
- A,
- B and
- O situated exactly at the middle of the two forces.
Define couple.
What is the work done when no net force is applied on the body?
On a see-saw, two children of masses 30 kg and 50 kg are sitting on one side of it at distance 2 m and 2.5 m respectively, from its middle, where should a man of mass 74 kg sit to balance it?
