1 A push or a pull on things is called a force.Forces A push or a pull on things is referred to as a force.

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2 contact Forces A call force is a push or a traction on one thing by an additional that is poignant it. Contact forces can be weak or strong.

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3 The pressure of Friction Friction force is the pressure exerted through a surface ar as an item moves throughout it or makes an effort to move across it. Friction counts upon the nature that the two surfaces and upon the degree to i m sorry they are pressed together. The friction pressure often opposes the activity of one object.

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4 The force of tension The tension pressure is the pressure that is sent v a string, rope, cable or wire once it is traction tight by forces acting on the contrary ends. The tension pressure pulls same on the objects ~ above the opposite ends of the wire.

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5 Normal force The normal pressure is the support pressure exerted upon things that is in contact with an additional stable object. If a publication is relaxing upon a surface, then the surface is exerting one upward force upon the publication to support the load of the book.

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6 waiting Resistance pressure The air resistance is a special form of frictional force that acts on objects together they travel v the air. This pressure is many noticeable because that objects travel at high speeds and also those with big surface areas.

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7 applied Force An used Force is a force that is applied to things by a human being or another object.

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8 Spring force Spring pressure is the pressure exerted through a compressed or extended spring upon an enclosed object. The magnitude of the pressure is straight proportional to the lot of stretch or compression of the spring.

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9 Non-Contact pressures A non-contact force is a force that one thing can apply to an additional object without poignant it. These forces likewise have direction and also strength.

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10 Gravitational pressure Objects autumn to the ground since Earth exerts one attractive pressure on them. This force is same to the weight of the object. Gravity is one attractive force that exists in between all objects that have mass. The better the mass, the better the attraction. The closer the objects are, the better the attraction.

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11 Magnetic force This is the pressure that exists between two magnets, caused by the interaction of their magnetic fields. This force reasons the magnets to tempt or repel one another.

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12 electric Force This is the force created in between two fee objects or particles. The objects either entice or repel every other.


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As street increases, the electric force decreases.

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