Contact forces : Force that arises via the contact of 2 or even more objects involved. Examples : Muscular pressure and Frictional Force
Muscular force is the type of force wherein we usage our physical strength to adjust the state of motion of an item. Eg: Man pushing a vehicle, Bullocks pulling a cart of pack, Cycling, Weight Lifting
Frictional Force is a force that acts on all moving objects by the surface which it is in call through. Eg: A ball rolling on the ground encounters friction by the ground surconfront and also it inevitably pertains to a halt. When the rowing of the boat has actually quit, the watercraft concerns a soptimal because of the frictional pressure exerted by water on it. The Frictional pressure is always in the direction oppowebsite to the applied force.
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Non-contact forces: Forces that arise without the contact of 2 or more objects connected. Examples: Magnetic Force, Electrostatic Force, Gravitational pressure.
Magnetic Force is a force that attracts certain metal objects (prefer iron and also iron filings) in the direction of a magnet.
Electrostatic force is the force exerted by a charged body on an additional charged or uncharged body. Eg: Take a comb and brush it on a hair 3-4 times and also then take it near some tiny bits of paper. Donot touch the comb via the paper. The bits of paper would gain attracted to the comb. This is bereason the comb is charged bereason of the rubbing on your hair and also it attracts uncharged objects like paper.
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Gravitational force is a force exerted by the earth on all objects on it. When a ball is thrown up, it falls to the ground bereason of gravitational force. The water from a tap always flows downwards because of gravitational pressure.