Asimple piping system consisting of a small pipe (diameter 6 cm) connected to a larger pipe (diameter 30 cm) is used to transfer and magnify force from one end to the other. the system is full of water and completely enclosed by two pistons, one on each end. if a force 11.2 n is exerted (additional to the forces already present) on the small piston, then how much additional force is exerted at the larger piston

280N

Explanation:

Pascal's law states that the pressure in a fluid is transmitted across every point in the fluid system.

Hence, the pressure in both tubes must remain same;

So, pressure = F1/A1 = F2/A2

where F1 = initial force on small pipe, A1 = area of small pipe

F2 = force on larger piston, A2 = area of larger piston

Given:

F1 = 11.2N

D1 = diameter of smaller pipe = 6 cm

D2 = diameter of larger piston = 15 cm

A1 = π*(r1)² = π*(6/2)² =π*9 (As radius, r = diameter/2)

A2 = π*(r2)² = π*(30/2)² =π*225

Hence 11.2/π*9 = F2/π*225

solving, we have

F2 = 280N

  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods