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प्रश्न
Define contact forces.
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उत्तर
The forces which are applied on a body through a connector, are called contact forces. Forces like Frictional force, Mechanical force, etc., are the forces of contact.
संबंधित प्रश्न
Give one example in the given cases:
A force stops a moving body
Give one example in the given cases:-
A force changes the shape of a body
Complete the following sentence:
The mass of a body remains constant till the velocity of the body is ..........
Complete the following:
1 N = ............kgf (approx)
A body of mass 1 kg is thrown vertically up with an initial speed of 5 m s-1. What is the magnitude and direction of force due to gravity acting on the body when it is at its highest point? Take G = 9.8 n kg-1
A body is acted upon by two forces of magnitude F, but in opposite directions. State the effect of the force if the two forces act at two different points of the body at a separation r.
Give two examples each of contact and non-contact forces.
How do you define force? What are the forces acting on a man standing in a lift? If the lift moves down with an acceleration of 2 ms−2, what is the net force on the man if his mass is 50 kg?
Give two examples to verify that a force changes the shape of a body.
To produce a displacement ______ is required.
