Question

What is scalar and vector quantities ?​

Answer 1

$\huge\underline\bold{Answer:-}$

There are two types of physical quantities :

1. Scalar quantity

2. Vector quantity

Scalar Quantity :

Physical quantities that can be defined using magnitude only are known as scalar quantities.

Examples : Distance, speed,mass, density, temperature.

Vector Quantity :

Physical quantities that can be defined only if both its magnitude and direction are given.

Examples : Velocity, acceleration, force, torque.

Answer 2

Explanation:

• ᴀ ǫᴜᴀɴᴛɪᴛʏ ᴡʜɪᴄʜ ᴅᴏᴇs ɴᴏᴛ ᴅᴇᴘᴇɴᴅ ᴏɴ ᴅɪʀᴇᴄᴛɪᴏɴ ɪs ᴄᴀʟʟᴇᴅ ᴀ sᴄᴀʟᴀʀ ǫᴜᴀʟɪᴛʏ.ᴠᴀᴄᴛᴏʀ ǫᴜᴀɴᴛɪᴛɪᴇs ʜᴀᴠᴇ ᴛᴡᴏ ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs,ᴀ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴀ ᴅɪʀᴇᴄᴛɪᴏɴ.sᴄᴀʟᴀʀ ǫᴜᴀɴᴛɪᴛɪᴇs ʜᴀᴠᴇ ᴏɴʟʏ ᴍᴀɢɴɪᴛᴜᴅᴇ.ᴡʜᴇɴ ᴄᴏᴍᴘᴀʀɪɴɢ ᴛᴡᴏ ᴠᴇᴄᴛᴏʀ ǫᴜᴀɴᴛɪᴛɪᴇs ᴏғ ᴛʜᴇ sᴀᴍᴇ ᴛʏᴘᴇ,ʏᴏᴜ ʜᴀᴠᴇ ᴛᴏ ᴄᴏᴍᴘᴀʀᴇ ʙᴏᴛʜ ᴛʜᴇ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴛʜᴇ ᴅɪʀᴇᴄᴛɪᴏɴ.