Advertisements
Advertisements
प्रश्न
Define couple.
Advertisements
उत्तर
Two equal and opposite forces acting perpendicular and separated by some distance d is called a couple.
A couple of causes are pure rotation.
APPEARS IN
संबंधित प्रश्न
It is easier to open the door by pushing it at its free end.
A potter turns his wheel by applying a force through the stick near the rim of wheel.
A tall building has wide foundations.
A car of mass 600 kg is moving with a speed of 10 m-1 while a scooter of mass 80 kg is moving with speed of 50 m s-1. which vehicle will require more force to stop it in the (1) same interval of time (2) same distance
State two factor on which moment of force about a point depends.
Give an example for each of the following uses of a machine:
to change the point of application of force
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.
A nut is opened by a wrench of length 25 cm. If the least force required is 10 N, find the moment of force needed to turn the nut.
