Advertisements
Advertisements
प्रश्न
State whether the moment of force is a scalar or vector quantity?
Advertisements
उत्तर
Moment of a force is a vector quantity.
APPEARS IN
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?
State one way to decrease the moment of a given force about a given axis of rotation.
The moment of a force of 25 N about a point is 2.5 N m. Find the perpendicular distance of force from that point.
State Newton's third law of motion.
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.
A uniform metre scale can be balanced at the 70.0 cm mark when a mark when a mass 0.05 kg is hung from the 94.0 cm mark
- draw a diagram of the arrangement
- Find the mass of the metre scale
Explain the motion of a planet around the sun in a circular path.
Classify the following amongst contact and non-contact forces.
gravitation force
Calculate the resultant moment of forces about O and state its direction in fig.
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.
