Question

1) Name one metal used for making jewellery?
2) Define contact force and non contact force also give examples of each?​

Answer 1

Answer:

1. Ans:-Gold
2. Ans:-Example of contact force is the force of friction. non contact force = the force experienced by a bodies even without being physical touched are called the non contact force. Example= gravitational force. Example of this all is contact force = we hit to our friends and make them cry is called contact force.

Answer 2

Explanation:

1. The metal types commonly used to make jewelry include Gold, Platinum, Palladium, Titanium, Silver, Tungsten and Stainless Steel.
2. A force acting between two bodies in contact is called a contact force. For example, while pushing a table towards the wall is the contact force, or you are pulling something upwards is also a contact force because there is a direct contact between you and the object you are pulling.

A non-contact force is any force applied to an object by another body without any contact. For example, magnetic force, gravitational force and electrostatic force.