Advertisements
Advertisements
प्रश्न
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
Advertisements
उत्तर
Moment of couple = F × Arm of couple
21 Nm = F × 63 cm
21 Nm = F × 0.63 m
F =`21/0.63` = 33.33 N.
संबंधित प्रश्न
A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.
1) Which of the two forces acting on the rigid rod causes clockwise moment?
2) Is the rod in equilibrium?
3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?
The S.I. unit of force is kgf. (kilogram-force)
Sleepers are used below the rails.
The spanner (or wrench) has a long handle.
Give an example of the following uses of a machine:
to change the direction of force
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
State two factors on which moment of the force about a point depends.
What is meant by the term ‘moment of force’? If the moment of force is assigned a negative sign then will the turning tendency of the force be clockwise or anti-clockwise?
Calculate the length of arm of couple, if a force of 13 N produces a moment of couple of 14.3 Nm.
Clockwise moment produced by a force about a fulcrum is considered to be ______.
