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Question
Which of the following class of force is different from others?
Which of the following class of force is different from others?
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Solution
The correct option is C Stretching of a spring
Answer is D.
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.
Answer is D.
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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