Question

What is force? What are its types? Give examples. What is SI unit of force? What is the dimension of force?
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Answer 1

Answer:

It has a magnitude and a direction. The direction towards which the force is applied is known as the direction of the force and the application of force is the point where force is applied. The Force can be measured using a spring balance. The SI unit of force is Newton(N).

Answer 2

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☞ A push or pull is considered as force.

☞ There are 2 types of forces

1. Contact Forces→ Forces that act on a body either directly or through a medium are called contact forces. e.g

• Muscular Force
• Mechanical Force
• Frictional Force

2. Non-Contact Forces→ Forces that act through spaces without making direct contact with the body are called non-contact forces. e.g

• Gravitational Force
• Electrostatic Force
• Magnetic Force

☞ SI Unit→ Newton (N)

☞ Dimension→ LMT^-2