0
Yes it can be.The reaction force can be equal to or lesser than or more than mg i.e.,the weight of the body.
Consider a block placed on the floor of a lift moving up with an acceleration of say g/2.Now the weight acts vertically downwards.The normal reaction acts vertically upwards.the force due to acceleration is also upwards.
The net force on the body,
N-mg=mg/2
therefore ,N=m(g+g/2) which is greater than the weight
What else can I help you with?
Why does more weight needs more force?
More weight requires more force to overcome the force of gravity acting on the object. The force of gravity is directly proportional to an object's mass, meaning heavier objects experience a greater gravitational force pulling them downward. To lift or move heavier objects, more force must be applied to counteract this gravitational force.
Does weight have an impact on force?
Yes, weight, or more precisely mass*, does have an impact on force. The impact is something like this: an object moving at a constant speed will have more force than an object traveling at the same speed with less mass.So, more mass equals proportionately more force.*Mass is a direct measurement of the amount of stuff in an object. Weight is the measurement of the apparent force of gravity on an object.
Does an object with more weight repuire more force to accelerate than an object with lighter weight?
It certainly does. That's why you have to push it harder to accelerate it horizontally. But that "more weight" that it has is exactly the more force it needs for vertical acceleration, and that's why all objects fall with the same acceleration.
What does force equal in science?
Your weight is a force. More specifically the force that keeps you from falling to the center of the Earth at this very moment! It is sometimes confused with mass because weight is often displayed in units of mass (i.e. the kilogram). Mass however does not change when you visit other planets, nor does it become zero in free fall as weight does. But, a force is not equal to weight because a force is a more general thing. In particular there are four fundamental forces in our Universe: gravity, electromagnetism and the strong and weak nuclear forces. Note that it is often the electromagnetic force that provides your weight; it is the electric repulsion between atoms that keeps you from falling into the floor!
Why do objects with more mass have a greater weight?
The weight of an object is the result of the force of gravity acting on its mass. Objects with more mass have a greater amount of matter, which means there is a stronger gravitational force pulling on them, resulting in a greater weight.
Is it possible for an object's weight to be different than its mass?
More then possible! It is so by definition. Mass is the "amount" of material in an object; weight is the force the object exerts under the influence of gravity.
Can you put more force on an object than you weigh?
No, it is not possible for Humans. However, some organisms, such as ants, can exert a force many times its own weight.
How is the speed of chemical reaction related to the spontaneity of the reaction?
The speed of a given chemical reaction is directly responsible for spontaneity of the reaction. The reaction force and effect is contingent upon the speed of the reaction. The faster the reaction, the more force will be produced.
Is weight a chemical property or chemical reaction?
Weight is not a chemical property or chemical reaction. Weight is a measurement of the force of gravity acting on an object and is a physical property. Chemical properties describe how a substance interacts with other substances, while chemical reactions involve the transformation of one or more substances into different substances.
Does it take more force to pull a large item or more force to pull a small item?
The larger in weight would take more force Also, the larger if they are the same weight would take more force, because of friction and air resistance
Why does more weight needs more force?
More weight requires more force to overcome the force of gravity acting on the object. The force of gravity is directly proportional to an object's mass, meaning heavier objects experience a greater gravitational force pulling them downward. To lift or move heavier objects, more force must be applied to counteract this gravitational force.
Does weight have an impact on force?
Yes, weight, or more precisely mass*, does have an impact on force. The impact is something like this: an object moving at a constant speed will have more force than an object traveling at the same speed with less mass.So, more mass equals proportionately more force.*Mass is a direct measurement of the amount of stuff in an object. Weight is the measurement of the apparent force of gravity on an object.
Does your weight change when there is more gravity?
Yes. Weight is directly proportional to the force of gravity.
Does an object with more weight repuire more force to accelerate than an object with lighter weight?
It certainly does. That's why you have to push it harder to accelerate it horizontally. But that "more weight" that it has is exactly the more force it needs for vertical acceleration, and that's why all objects fall with the same acceleration.
What does force equal in science?
Your weight is a force. More specifically the force that keeps you from falling to the center of the Earth at this very moment! It is sometimes confused with mass because weight is often displayed in units of mass (i.e. the kilogram). Mass however does not change when you visit other planets, nor does it become zero in free fall as weight does. But, a force is not equal to weight because a force is a more general thing. In particular there are four fundamental forces in our Universe: gravity, electromagnetism and the strong and weak nuclear forces. Note that it is often the electromagnetic force that provides your weight; it is the electric repulsion between atoms that keeps you from falling into the floor!
How did the addition of more weight affect the friction?
When the weight increases the frictional force also increases:)
Why do objects with more mass have a greater weight?
The weight of an object is the result of the force of gravity acting on its mass. Objects with more mass have a greater amount of matter, which means there is a stronger gravitational force pulling on them, resulting in a greater weight.
