(a) How can an aeroplane fly against gravity?
(b)What is the difference between a balanced and unbalanced force? Give the
examples each.
(c) Why is mass of an object different from its weight? Also write their measuring units.
(d). Why is gravity important? List down its everyday examples.
(e) Why a heavy ship floats on the surface of water?
Answers
Answer:
(a)Planes do not actually defy gravity, though. Instead, the tilt and area of a plane's wings manipulate the air particles around the plane, creating a strong enough lift that the force of gravity is overcome by the force of the air beneath the wings.
(Bi) Balanced force means the sum of all the forces(or net force) acting on a body is zero. Unbalanced force means the sum of all the forces acting on a body is non-zero. ii) Balanced force doesn't affect the state of motion of object. Unbalanced force changes the state of motion.
(C)Because mass and weight are separate quantities, they have different units of measure. In the International System of Units (SI), the kilogram is the basic unit of mass, and the newton is the basic unit of force.
(D)Some examples of the force of gravity include: The force that holds the gases in the sun. The force that causes a ball you throw in the air to come down again. ... The force that keeps the Earth and all of the planets in line in the proper position in their orbits around the sun.
(E)The air that is inside a ship is much less dense than water. That's what keeps it floating! ... As a ship is set in water, it pushes down and displaces an amount of water equal to its weight.
Explanation:
I hope irlt is helpul for all
pls like and mark me brainlist pls