FORCE | CONTACT AND NON-CONTACT FORCES

Contact & Non-Contact Forces are explained here.

1. CONTACT & NON-CONTACT FORCES

2. force A force is any interaction that, when unopposed, will change the motion of an object. Force can cause change in motion of a body. Force can cause change in form of a body.

3. Contact force A force is seen to act through a direct contact of the objects or via one more object such a force is called ‘Contact force ’. Contact is must in this case .

4. Contact forces in nature Frictional force Punching action Muscular force

5. Non-contact force A force is applied between two objects even if the two objects are not in contact ; such a force is called a ‘Non contact force’. No contact is required in this case.

6. Non-contact forces in nature Gravitational Force Magnetic Force Nuclear Force Attraction & Repulsion