why are the dams made thicker at the bottom??
what is atmospheric pressure?
has been fired upwards to launch a satellite in its orbit. Name the
two forces acting on the rocket immediately after leaving the
Q: a force of 10N act on an area of 0.1m2. the force is kept the same but the area is reduced to half.which of this is true?
a) the pressurer does not change
b) the pressure reduces to half
c) the pressure increases by 1.5 times
d) the pressure doubles
what are the examples of muscular, friction, magnetic, electrostatic, gravitational force and pressure.
write an activity to show that liquid pressure depends on its depth
why is the foundation of a building wider than its wall?
Why it is easier to cut vegetables with a sharp knife ...and difficult with a blunt knife ...???
whats the logic ....i need scientific reason ...... it is asociated with the CH- 11 Force And Pressure
Explain why a balloon bursts if we blow too much air in it ????
If a body is moving with uniform speed in a particular direction on a perfectly smooth surface, then no force is acting on it. True or False? Explain.
how can liquids exert equal pressure at the same depth ?
if several forces act on a body in different directions in which direction the body will move
why do heavy vehicles have broad tyres?
The second's hand of a watch is 2cm long, the speed of the tip of this hand is
A. 0.21 cm/s B. 2.1 cm/s C. 21.0 cm/s
I think we can solve this question by calculating angular velocity.
what is non contact and contact force ? example
Which type of force acts when we twist wet clothes to squeeze out water ?
When is the pressure on the ground more-when a man is lying or when a man is standing. Explain?
A boy is wearing a shirt of mass 150 g. How much force is he exerting on the dress? Do not forget to state the direction.
What is the difference between inertia and friction ?
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