Question

definition :
1 pressure
2 static friction​

Answer 1

Answer:

1) pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. ... Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as ​1⁄760 of this.

SI unit: Pascal

In SI base units: 1 N/m2, 1 kg/(m·s2), or 1 J/m3

Derivations from other quantities: p = F / A

                                                  OR

In other words, The force acting on per unit area of a surface is called pressure. We can say force per unit area is called pressure.

2) static friction​

In static friction, the frictional force resists force that is applied to an object, and the object remains at rest until the force of static friction is overcome. In kinetic friction, the frictional force resists the motion of an object.

                                                  OR

In other words, The maximum fictional force present between any two objects when one object just tends to move or slip over the surface of the other object is called static friction.

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Answer 2

Pressure - but I cant understand itContinuous physical force exerted on or against an object by something in contact with it.

Static Friction- Static friction is a force that keeps an object at rest.

or

The friction experienced when individuals try to move a stationary object on a surface, without actually triggering any relative motion between the body and the surface which it is on.

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