Advertisements
Advertisements
प्रश्न
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
Advertisements
उत्तर
Clockwise moment of force: When the force moment is moving in a clockwise direction.
Anticlockwise moment: When the force acts in an anticlockwise direction.
The moment of force anticlockwise is positive.
APPEARS IN
संबंधित प्रश्न
What is the SI unit of the moment of force?
The S.I. unit of force is kgf. (kilogram-force)
Moment of force = force × perpendicular distance of force – from the pivoted point.
It is easier to open the door by pushing it at its free end.
State one way to obtain greater moment of a given force about a given axis of rotation.
Name of S.I. unit of momentum.
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?
A body X of mass 5 kg is moving with velocity 20 m s-2 while another body Y of mass 20 kg is moving with velocity 5 m S-1. Compare the momentum of the two bodies.
Classify the following amongst contact and non-contact forces.
normal reaction force,
State one factor on which the magnitude of a non-contact force depends. How does the magnitude of a non-contact force change along with distance?
