# Chapter 2 Notes | Physics 1st Year

## “Vectors And Equilibrium”

### Questions:

- Differentiate among scalar and vectors?
- What do you know about rectangular coordinate system?
- Describe the Head to Tail rule?
- What do you know about the Resultant Vector?
- Define Following
- Negative Vector
- Vector Subtraction
- Equal Vector
- Null Vector
- Component of a Vector
- Rectangular Component
- Position Vector

- Discuss the different cases of multiplication of a vector by scalar (number).
- What do you know about Unit Vector?
- Find out the rectangular component of a vector.
- Determine a vector from its rectangular component.
- Describe the vector addition in terms of rectangular components.
- Differentiate among scalar and vector product.
- Show that the scalar product is commutative.
- Show that the vector product is non-commutative.
- Compare main characteristics of scalar and vector product.
- Describe the right hand rule.
- Define the term “Torque”.
- Derive the expression for torque produce on a rigid body under action of any force.
- Define the term “equilibrium”. Write down different types of equilibrium.
- Write down different condition of equilibrium.
- State the complete requirement for a body to be in equilibrium.

## 10 Comments

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CyrilJPoirrierThanks for sharing your thoughts about other. Regards

atiyacan some one explain question no 16 part one

Sharati BachaWhy?

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It is a great idea for making notes of part 1 and help the students.

Bundle of thanks.

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