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WHY IS FRICTION A NECESSARY EVIL ????
Give 3 differences between contact and non contact forces
give some more examples of electrostatic force
what is the difference between frictional force and gravitational force?
why do mountaineers usually suffer from nose bleeding at high altitude
Explain why a balloon bursts if we blow too much air in it ????
If The Momentum Is Increased By 50% Then Kinetic Energy changes by
What is the full form of SCIENCE
1-Why buses and trucks have double wheels at the back? 2-Why poters place a round piece of cloth on their heads? 3-Why dams are made stronger and thicker at the bottom than the top? 4-Why the pressure inside an aeroplane is maintained at normal ground level atmospheric pressure?
The force which is exerted by all matter on all other matter is .................
why do porters put cloth on their head while carrying heavy loads?
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 was archimedes principal ?
we know that there is a huge amount of atmospheric pressure on us but we do not experience its effect why ?
why wooden slippers are kept below the railway tracks?
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
why school bags are provided with broad straps and not with thin straps?
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
When we press a rubber sucker on a smooth surface,it sticks to the surface.Explain why this happens in about 30 words.
How many types of forces are there?Explain them?
Your Physics Book has a mass of 400 g. It is kept on a horizontal table. Taking g = 10 m/s2, find the force (both magnitude and direction) exerted by
(a) the table on the Physics book (b) the Physics book on the table (c) the earth on the Physics book (d) the Physics book on the earth.
if you press the rubber sucker on a rough surface,it doesnot stick on surface why?
Applications of pressure in daily life
a car is moving towards north what will be the direction of force of friction acting on this car due to the surface of the road
deep sea divers wear special kind of suits. Why?
difference between electrostatic and magnetic force?
why do school bags have broad straps?
snow shoes are more effective for walking on snow than odinary shoes. why?
Show That a liquid exerts pressure on the walls of the container
What is the SI unit of inertia and how it is measured?
Why is it easier to hammer a sharp nail into wood than a blunt one ?
Why are caterpillar tracks used in battle tanks instead of tyre
A force of 4N acts on a body of mass 2kg for 4s. Assuming the body to be initially at rest, find
a) its velocity when the force stops acting.
b) the distance covered in 10s after the force starts acting.
why it is easier to cut fruits with sharp knife rather than with the blunt knife
when does a force come into play
ACTIVITY 11.8, ACTIVITY 11.9 , ACTIVITY 11.10
I WANT THE AIM,OBSERVATION AND CONCLUSION OF THESE ACTIVITIES
why is it comfortable to lift a school bag with broad straps than thin sraps
why does a ball rolling along the ground stop after some time?
In a car accident, a seat belt helps prevent injuries by applying a force:
(1) less than the force of the moving passenger
(2) greater than the force of the moving car
(3) in the same direction as the cars motion
(4) in the opposite direction of the passengers motion
snow shoes are more effective for walking on snow than ordinary shoes, why? give me answer in breif plzz
Pressure in solids depends upon --------- and -------- .
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
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?
how can liquids exert equal pressure at the same depth ?
why can a magnet act from a distance?
why do heavy vehicles have broad tyres?
what is non contact and contact force ? example
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 ?
A Cube Of Side 'x' Rests On The Floor.Given That The Pressure Exerted By This Cube On The Floor Is P What Is The Pressure Exerted By Another Cube Of The Same Material Of Side 4x?(Take g = 10Nkg-1)Assume That Both Are In Same Position
Please Help Its Urgent
Define gravitational force.
Which type of force acts when we twist wet clothes to squeeze out water ?
what is force?explain the four effects of a force can produce giving relevant examples?
flying a kite is push or pull?
how does pressure due to liquid held in a container vary with,(a)depth (b) amount (c)shape and size of the container
What is Direct and Indirect force?
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