guys please help me
Answers
1.Mass :
i. Mass is a amount of matter in a material.
ii. Mass is the property of matter.
iii. The mass of an object is the same everywhere.
iv. Mass can never be zero.
v. Mass does not change according to location
weight :
i. Weight depends on the effect of gravity.
ii. Weight increases or decrease with higher or lower gravity.
iii. Weight can be zero if no gravity acts upon an object as in space.
iv. Weight varies according to location
v. Weight is measured Using a spring balance
2. Oscillatory :
i. Oscillatory motion is defined as to and fro motion of an object from its mean position.
ii. The ideal condition is that object can be oscillatory motion forever in the absence of friction but in the real world this is not possible.
iii examples : oscillation of simple pendulum
Movement of spring
Vibratory :
i. A type of motion in which a particle moves to and fro about a fixed point is known as vibratory motion
ii. Example :pendulum
Swings
3.
Mechanical energy is a form of energy it is all the energy that an object has due to its motion and its position.
Its different forms :
Radiant energy
Electrical energy
Sound energy
Thermal energy.
4.
Hydro electricity is a is electricity produced by movement of water. It is usually made with dams that block a water to make a reservoir otlr collect water that is pumped there. When the water is released the pressure behind the dam forces the water down pipes that lead to a turbine...