Question

Write some features of force.​

Answer 1

Answer:

Characteristics of Force:

• Forces are due to an interaction of at least two objects.
• It may change the state of motion of an object.
• It may change the shape of an object.
• Forces applied on an object in the same direction add to one another and the resultant is in the same direction.

Answer 2

Write the characteristics of the force of friction.

Characteristics of force of friction are:

1. Friction opposes the direction of motion.
2. It depends on the nature of the surface that are in contact. Rough surfaces offer greater degree of friction as compared to smooth surface.
3. More the roughness of a surface, greater is the friction.Friction depends upon the weight of the object - greater is the weight of the object, greater is frictional force it faces.
4. Friction is independent of area of surface in contact, when the weight remains unchanged.

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