Question

2. (a) Explain tuming effect of force
(b) A force of 10 N acts on a body such that
moment of force is 20 Nm. Calculate the
perpendicular distance between the force
and tuming point
3. (a) What do you understand by pressure?
Define its unit also
(b) A force of 20 N acts on an area of 50
cm, calculate the value of pressure in
pascal (Pa)
4. How does liquid pressure depend upon the
following
(a) depth of liquid (b) density of liquid
(c) acceleration due to gravity at a given place
(d) area of cross-section of containing vessel?
5. Explain the following:
(a) Why is the edge of knite kept sharp?
(b) Why do ink pens start leaking at high
altitudes?​

Answer 1

Answer:

2 b )

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