Find the pressure if a force of 2 N is applied to an area of 0.0004 m2.
1 answer:
The pressure is 5000 Pa
Explanation:
The pressure exerted by a force on a surface is given by the equation:
where
p is the pressure (measured in Pascal, Pa)
F is the magnitude of the force
A is the area of the surface on which the force is exerted
In this problem, we have:
F = 2 N
Substituting into the equation, we find the pressure:
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Answer:
The amount of matter in an object is its mass
An action that has the ability to change an object's state of motion is a force
The rate at which velocity changes over time is acceleration
Explanation:
- Mass is a scalar quantity that gives a measure of the amount of matter contained in an object/substance. The SI unit of the mass is the kilogram (kg). Mass is an intrinsec property of an object, that means that it does not change when the object is moved in another location.
- A force is a vector quantity, that indicates an action exerted on an object that changes the state of motion of the object. It is measured in Newtons (N). According to Newton's second law, the acceleration of an object is equal to the net force exerted on the object divided by its mass:
- Acceleration is a vector quantity, which is equal to the ratio between the change in velocity of an object and the time interval taken for that change to occur. It is measured in meters per second squared (). Mathematically, it is defined as