Thrust And Pressure, Popular Questions: Kerala Class 8 SCIENCE, Basic Science Part I

Faheem asked a question

Subject: Science, asked on on 22/12/16

Give reason:
(a) cutting and piercing tools are made sharp.
(b) an egg sinks in fresh water but floats in highly salty water.
(c) pressure is more while a man is walking than while standing.res
(d) army tank rest upon a continuous chain.
(e) its easy to walk on sand with flat shoes than high heels shoes.
(f) railway tracks are laid on large sized concrete sleepers

Chirag Ramchandani asked a question

Subject: Science, asked on on 25/12/16

List two differences between thrust and pressure. What is meant by 1 Pascal and 1 Newton? How will the pressure change if area of contact is doubled?

Tarun asked a question

Subject: Science, asked on on 13/11/16

A satellite revolve around the earth . Air pressure inside the satellite nis maintain at 76mm of Hg. The height of the mercury column in the barometer tube of one meter length in the satellite is ?

Archana asked a question

Subject: Science, asked on on 14/12/13

what is difference between thrust

and pressure

Hamiz asked a question

Subject: Science, asked on on 12/12/13

A wooden block is half submerged in water.The weight of the wooden block in air is 100N.Find the least force required to submerge the wooden block completely?

Tarun asked a question

Subject: Science, asked on on 7/10/16

Why does the barometric height reads less at Himalaya peak than Delhi?

Aarathy asked a question

Subject: Science, asked on on 3/12/13

about preesure

Kousika Priya asked a question

Subject: Science, asked on on 8/11/16

Define one pascal.

Hamiz asked a question

Subject: Science, asked on on 29/12/13

Half of a floating wooden block is under water. The weight of the block in air is 100N. What is the minimum downward force to be applied on the block to sink it completely?