Why does the water in the glass shift backward when force is first applied, and then shifts forward when it comes to a stop? (hint: think Newton’s first law of motion: also known as the law of inertia = objects in motion tend to stay in motion, objects at rest tend to stay at rest, unless acted up by an outside force) What happens to the friction between the surfaces when the mass of the object increases? (hint: think: Ffr = ?Fn) What happens to the friction between the surfaces when the mass of the object decreases? Can small forces add up to balance out larger forces?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
Please answer it short and simple, but in an easy to understand way.
Why does the water in the glass shift backward when force is first applied, and then shifts forward when it comes to a stop? (hint: think Newton’s first law of motion: also known as the law of inertia = objects in motion tend to stay in motion, objects at rest tend to stay at rest, unless acted up by an outside force)
What happens to the friction between the surfaces when the mass of the object increases? (hint: think: Ffr = ?Fn)
What happens to the friction between the surfaces when the mass of the object decreases?
Can small forces add up to balance out larger forces?
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