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Gravity is pulling everything down. The hot air in the balloon is less dense than the surrounding air, so the air forces it up through what is called buoyancy. Any air movement will shove the balloon in the direction that air is moving. The balloon will be carried along 'cause there's nothing to stop the air from doing that. Just think about what is happening and it will lock in. Gravity, the wind (moving air) and the conversion of chemical energy in fuel into thermal energy to heat the air in the balloon and give it lift through buoyancy. Simple and easy physics.
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∙ 15y ago
Anonymous
Tyehejejr
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Can you say about the no forces acting on a stationary object?
If the object is not moving, then the only thing you can be sure of is that since it's not accelerating, all of the forces acting on it add up to zero. Just the fact that it's not moving is not enough information to tell you that there are no forces on it.
When are all the forces acting upon an object balanced?
when the system is at equilibrium or when you are not moving in any direction at all
What will happen to an object if the sum of all the forces acting on a moving object is zero?
it will keep movin at a constant speed
If a moving body has no acceleration does it mean no force acts on it?
There can well be forces acting on the body. It means that the NET FORCE (the vector sum of all the forces) acting on the object is zero.
What is a state in which all forces acting on an object are in balance?
Equilibrium is a state in which all forces acting on an object are in balance.
Can you say about the no forces acting on a stationary object?
If the object is not moving, then the only thing you can be sure of is that since it's not accelerating, all of the forces acting on it add up to zero. Just the fact that it's not moving is not enough information to tell you that there are no forces on it.
If an object is moving at constant velocity what is the sum of all of the forces acting on the object?
zero
When are all the forces acting upon an object balanced?
when the system is at equilibrium or when you are not moving in any direction at all
What are all the objects in the universe doing?
They are just sitting there, moving and changing according to the forces that are acting on them.
When does a moving object accelerate?
An object accelerates when all the forces acting on it don't add up to zero.
What happens if the sum of all the forces acting on a moving object is zero?
Then the object will not accelerate (if it is stationary, then it will remain stationary, if it is already moving it will continue to move at the same velocity until a force begins to act on it).
What forces are acting on objects that are moving with circular motion?
Some Forces do not involve physical contact between the bodies on which they act. -Jauan Williams 3182163642
An object is moving with constant velcity and it is not accelering. Can it have any forces acting on it?
Yes, that's possible, as long as the vector sum of all such forces is zero.
What will happen to an object if the sum of all the forces acting on a moving object is zero?
it will keep movin at a constant speed
If a moving body has no acceleration does it mean no force acts on it?
There can well be forces acting on the body. It means that the NET FORCE (the vector sum of all the forces) acting on the object is zero.
What does the term balance mean?
If you add up all the forces acting on an object, they are balanced if they equal zero. (They cancel each other out). If the forces acting on a object are balanced, then the acceleration of that object is zero. It may still be moving, but it is not accelerating. An object that is not accelerating, (the sum of the forces acting on it is zero), is in equilibrium.
Which forces are unbalanced?
coz if they werent, whatever they were acting on, would either stay sill, or move at a constant speed
