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
What are non-contact forces? Give two example
State Newton's Second law of motion. Under what conditon does it take the form F = ma?
Name of S.I. unit of the rate of change in momentum.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
Is moment of force a scalar or a vector?
A spanner (or wrench) has a long handle. Why?
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.

Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.

