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A non-contact force is any force applied to an object by another body that is not in direct contact with it. Ex. Gravity, Magnetism
Gravity, electrical force, magnetic force. These can act with direct touch. "False" forces which are dependent on the observer's motion, such as centrifugal force and g forces are also sometimes considered as non-contact There are also some nuclear forces, but they are not normally observed, and electrical and magnetic forces are really two sides of the same coin.
All electromagnetic phenomena are Fields - (=~ effect) .
They repel
because your ugly
A non-contact force is any force applied to an object by another body that is not in direct contact with it. Ex. Gravity, Magnetism
It remains constant
contact forces: Push, pull, friction, strain. Non-contact forces : Magnetic, gravitational and electrostatic
Contact forces must be touching whatever they are acting on the others have a field of influence around them; ie they don't have to touch to act on something
All electromagnetic phenomena are Fields - (=~ effect) .
Gravity, electrical force, magnetic force. These can act with direct touch. "False" forces which are dependent on the observer's motion, such as centrifugal force and g forces are also sometimes considered as non-contact There are also some nuclear forces, but they are not normally observed, and electrical and magnetic forces are really two sides of the same coin.
yes, its one of the 3 non-contact forces generally see. the ther both are magnetic force and electrostatic force
Gravity, electrical force, magnetic force. These can act with direct touch. "False" forces which are dependent on the observer's motion, such as centrifugal force and g forces are also sometimes considered as non-contact There are also some nuclear forces, but they are not normally observed, and electrical and magnetic forces are really two sides of the same coin.
In one case there is a contact, in the other, there isn't. Well, at least that's what it looks like at a first glance - it seems that the "non-contact" forces such as electrical, magnetic or gravitational forces are actually mediated by the exchange of particles.
-- gravitational -- electrostatic -- magnetic -- weak nuclear -- strong nuclear