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Why is there increased risk of damaging your back when the load you are lifting is away from your centre of gravity?
This is because you are poorly balanced when the load is away from your center of gravity. The poor balance leads to you pulling muscles and damaging your back.
Why a men bow himself while carrying heavy lod on his back?
Every object on the Earth is governed by a force called Gravity. But regardless to the shape of the object, every oject has a 'centre of Gravity'. To, attain the position of stability the centre of gravity and the centre of mass of that object should be on same vertical line (perpendicular to earth). So, when man lift the heavy weight it total mass increased and and the centre of mass deviates from the centre of gravity of that man (man+ weight), so to maintain the stability man bow down to bring back its centre of mass with its centre of gravity. and in this way he can walk/stand with the load, otherwise we will fall back with its load.
Does the position of the Metacentre depend on the position of the centre of gravity?
Yes, the position of the Metacentre depends on the position of the centre of gravity. If the centre of gravity is above the Metacentre, the ship will be stable. If the centre of gravity is below the Metacentre, the ship will be unstable.
Does the centre of gravity change on moon?
As compared to Earth, you mean? If an object doesn't change its shape, the center of mass doesn't depend on gravity - and the center of gravity hardly does so.
Why is suns gravity only in the perimeter?
It isn't. Gravity can be viewed as emanating from the centre of a body with mass. As the distance increases from the centre then the gravity decreases.
What is force is gravity?
gravity is a force by which objects are attracted to the centre of.
What is the center of gravity on a sphere?
Assuming the ball is a perfect sphere of uniform density, and is suspended from a massless string, the centre of gravity is in the centre of the ball.
What lies at the centre of gravity and earth?
The Earth's Core lies at the centre.
How do you find center of gravity of a vehicle?
How do you find centre of gravity of a vehicle?
What is unstable equilibrium?
When a body is in unstable equilibrium, on slight displacement the centre of gravity of the body will be lowered. If the line of action of its weight lies outside the base area of the body, it will topple. Objects that have high centres of gravity, a small base area, or are top-heavy are more likely to be in unstable equilibrium. Stability can be increased by lowering the centre of gravity and/or increasing the area and/or the weight of the base.
Where is the earths gravity the greatest?
At the centre of the Earth.
What is the direction of the moon's gravity?
Towards the moon's centre.
