A dentist's chair with a person in it weighs 1675 N. The output plunger of a hydraulic system starts to lift the chair when the
1 answer:
The ratio of the area of the plunger to the area of the piston will be 0.2323.
<h3>What is pressure?</h3>
The force applied perpendicular to the surface of an item per unit area across which that force is spread is known as pressure.
It is denoted by P. The pressure relative to the ambient pressure is known as gauge pressure.
The presure at the output remains the same
Hence, the ratio of the area of the plunger to the area of the piston will be 0.2323.
To learn more about the pressure refer to the link;
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Explanation:
It is given that,
Mass of the rim of wheel, m₁ = 7 kg
Mass of one spoke, m₂ = 1.2 kg
Diameter of the wagon, d = 0.5 m
Radius of the wagon, r = 0.25 m
Let I is the the moment of inertia of the wagon wheel for rotation about its axis.
We know that the moment of inertia of the ring is given by :
The moment of inertia of the rod about one end is given by :
l = r
For 6 spokes,
So, the net moment of inertia of the wagon is :
So, the moment of inertia of the wagon wheel for rotation about its axis is . Hence, this is the required solution.