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RRB Group-D Model Paper 13 with answers for online practice

Question : 31

Total: 100

In science, a push or a pull on an object is called as ________.

Term	Meaning
Pressure	It is an expression of force exerted on a surface per unit area.
Gravitation	It is a force that exists among all material objects in the universe.
Force	A push or a pull on an object is called a force.
Friction	It is the force that opposes the relative motion between the two surfaces of objects in contact.

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