EASY
Earn 100

State the SI unit of thrust.

Important Questions on Gravitation

EASY
Science>Physics>Gravitation>Thrust and Pressure

Which one of the following statements is INCORRECT ?

EASY
Science>Physics>Gravitation>Thrust and Pressure
Why do skiers use long flat skis on snow-clad mountains?
EASY
Science>Physics>Gravitation>Thrust and Pressure
A force of 200 N acts on an area of 1 cm2 uniformly. Find the pressure in Pascal.
EASY
Science>Physics>Gravitation>Thrust and Pressure
Why is the needle end of an injection sharp?
EASY
Science>Physics>Gravitation>Thrust and Pressure
Why is camel able to walk quite fast and easily on the sand while we cannot?
EASY
Science>Physics>Gravitation>Thrust and Pressure
Why are sleeper laid down under the rails of train?
EASY
Science>Physics>Gravitation>Thrust and Pressure
To compare the pressure exerted by a cuboid, Neetu was given four solid cuboids made of plastic, wood, aluminium and brass. The dimensions of each cuboid are 15 cm×10 cm×5 cm: To perform the experiment effectively she should choose.
EASY
Science>Physics>Gravitation>Thrust and Pressure
Calculate the pressure when a force of 200 N acts perpendicular to a surface of area 10 m2.
EASY
Science>Physics>Gravitation>Thrust and Pressure
Why do multistorey buildings have wide foundations?
EASY
Science>Physics>Gravitation>Thrust and Pressure
Is Pascal a big unit or a small unit for practical usage?
EASY
Science>Physics>Gravitation>Thrust and Pressure
What is the SI unit of pressure?
MEDIUM
Science>Physics>Gravitation>Thrust and Pressure
Discuss the application of the concept of pressure.
EASY
Science>Physics>Gravitation>Thrust and Pressure
Which of the two will double the pressure - doubling the area or making the area half?
EASY
Science>Physics>Gravitation>Thrust and Pressure
Define pressure.
EASY
Science>Physics>Gravitation>Thrust and Pressure

Asif planned to go Kashmir during winter vacation. When his friend Raghav came to know about Asif's plan, he gave his long flat skis to Asif. Why skiers need to use long flat skis to slide over snow?

EASY
Science>Physics>Gravitation>Thrust and Pressure
What is thrust?
EASY
Science>Physics>Gravitation>Thrust and Pressure
It is easier to cut with a sharp knife than with a blunt one. Explain.
EASY
Science>Physics>Gravitation>Thrust and Pressure

Safia was sharpening her blunt knife. While doing so, she got a cut and blood started oozing out from her finger. Looking at this her friend Pooja immediately applied antiseptic. Explain why the cutting edges of knives are sharpened.

HARD
Science>Physics>Gravitation>Thrust and Pressure
Derive mathematically that pressure exerted by a liquid at a point inside it is hdg.
EASY
Science>Physics>Gravitation>Thrust and Pressure
Why do tractors have broad tyres?