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.
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.
APPEARS IN
संबंधित प्रश्न
What are non-contact forces? Give two example
A rocket is moving at a constant speed in space by burning its fuel and ejecting out the burnt gases through a nozzle. Answer the following
1) Is there any change in the momentum of the rocket? if yes, what causes the change in momentum?
2) Is there any force acting on the rocket? if yes, how much?
State two factor on which moment of force about a point depends.
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
Give any two effects of a force on a non-rigid body.
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
A uniform metre scale is balanced at a 40 cm mark when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale.
The perpendicular distance between the point of application of force and turning point is 1.75 m when a force of 80 N acts on a rigid body. Calculate the moment of force.
Calculate the length of arm of couple, if a force of 13 N produces a moment of couple of 14.3 Nm.
