The force of Earth’s gravity acting on a body of mass 1 kg is calculated using the formula F = m x g, where g is the acceleration due to gravity (9.8 m/s²). Therefore, the force is 1 kg x ...
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Shock absorbers are usually made of steel because its elasticity is high. High elasticity allows steel to absorb and dissipate energy efficiently, making it ideal for withstanding the repeated stress and strain experienced in shock absorption.
There is no atmosphere on the Moon because its escape velocity is less than the root mean square velocity of atoms. This means that gas molecules on the Moon can easily escape into space due to insufficient gravitational pull, resulting ...
One Horse Power (H.P) is equal to 746 watts. This conversion factor is used to measure the power output of engines and motors.
A runner runs for some distance before taking a long jump because running increases the inertia of his body, helping him cover more distance during the jump. This momentum gained from running aids in achieving greater distance in the jump.
Both stones reach the ground together. In the absence of air resistance, all objects fall at the same rate regardless of mass, as stated by the principle of universal gravitation. Therefore, the larger stone does not reach the ground before ...
Mercury has the lowest density among the listed liquids. With a density of approximately 13.6 g/cm³, mercury is denser than water, salty water, and petrol.
Bernoulli’s theorem is based on energy conservation. It states that in a flowing fluid, an increase in the fluid’s speed occurs simultaneously with a decrease in pressure or potential energy. This principle is fundamental in fluid dynamics and is used ...
The great scientist Archimedes belonged to Greece. He was born in Syracuse, a Greek colony in Sicily, around 287 BC. Archimedes made significant contributions to mathematics, physics, engineering, and astronomy, and is considered one of the greatest mathematicians of all ...
The function of the ball bearing in the wheel is to convert static friction into kinetic friction. This conversion allows for smoother rotation by reducing resistance between moving parts. Ball bearings facilitate efficient motion and are crucial components in various ...