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2 The opposite figure shows a triangular prism which is
submerged in water basin, at which of the points (x, y, z)
is pressure the highest ? And why?

The highest pressure is located at points x & y.

Explanation:

The pressure will be greater at the X & y points, because they are at a deeper distance than the Z point. We must remember that the pressure is a function of the depth of the fluid, and is expressed by the following equation.

The pressure is always measured with respect to the liquid level towards the depth of the fluid, so at greater depth greater pressure

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards