What are the different types of force?
Answers
here you go
types of force are :
1.Applied Force
2.Gravitational Force
3.Normal Force
4.Frictional Force
5.Air Resistance Force
6.Tension Force
7.Spring Force
8.Electrical Force
9.Magnetic Force
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➣Types of Force:
Contact Force: Force that comes into action after the interaction between objects is called contact force. Contact force works on the point of contact. So physical contact between the objects is necessary.
Example; pushing a car, hitting the ball, kicking a ball, etc. Muscular force, frictional force, Mechanical force are types of contact force.
(a) Muscular force:
(i) Force due to the action of muscles is called muscular force. We can say force resulting because of action of muscle is called muscular force.
(ii) Muscular force is applied only after interaction with the object.
Examples:
(a) When we push the object like school bag or lift the bucket of water we use the muscular force.
(b) Animals also use of muscular force to carry out their task.
(b) Friction Force:
(i) The forces of friction arises between the surfaces of two objects
(ii) The force of friction always acts on all moving object and its direction is always opposite to the direction of motion.
(iii)Force of friction comes into action only after interaction between two objects, thus, it is a type of contact force.
Examples:
(a) Due to force of friction between the surface of the ball and the ground that brings the moving ball to rest.
(b) When we stop pedaling a bicycle, it gradually slow down and finally comes to s stop due to force of friction.
(c) Mechanical Force:
(i)The force generated by a machine is called mechanical force.
(ii) Machines do not produce force on their own. We must supply some kind of energy to these machines to produce force.
(iii) E.g. Petrol for Motor of car engine, Blades of wind mill requires moving air for rotation.
Non- Contact Force:
Force due to without interaction between two objects is called non-contact force. For example; a magnet can pull an iron nail from a distance.
(ii) Magnetic force, Electrostatic force and Gravitational force are examples of non-contact force.
(a) Magnetic Force:
(i) A magnet can exert a force on another magnet without being in contact with it.
(ii) The force exerted by a magnet is an example of a non-contact force. Example: Opposite pole of two magnets attract each other and same pole repel each other.
(b) Electrostatic Force:
force on another charged or uncharged body is called electrostatic force. A charged body attracts an uncharged body.
(ii) A positively charged body attracts a negatively charged body and repels a positively charged body without coming in contact, thus it is a non-contact force.
(c) Gravitational Force:
(i) Gravitational force is exerted by earth, moon, sun and other planets to others.
(ii) Earth and other planets attract all objects towards them. Since, earth attracts all objects even without coming in contact, thus gravitational force is a non-contact force. Example: When we release an object from a height, it falls over the ground because of gravitational attraction of earth.