Which force is different from others? Why?
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Explanation:
Contact forces:
They are such forces which are exerted on objects by direct contact. The forces which acts on bodies when they are in actual contact are called the contact forces.
The following forces come under Contact Forces.
Frictional forces
Normal reaction force
Tension force as applied through strings
Force exerted by a spring
Force exerted during collision
Force exerted by a spring
Force exerted during collision
Force applied as a pull or push
Non Contact Force:
The forces which act on bodies without being physically touched, are called the non-contact forces.
The following forces come under non-contact forces :
Gravitational Force
Electrostatic Force
Magnetic Force
Hence, the odd man out is stretching force of a spring.
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