Forces act on all objects with mass. This includes everyday objects like books, cars, and furniture, as well as celestial objects like planets and stars. Forces can cause objects to move, accelerate, deform, or rotate.
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external forces act on the objects in the system.
Two examples of objects that are similar in that forces can act without objects touching are magnets and electric fields. In both cases, forces can act at a distance without direct contact between the objects.
Some forces that act on objects without touching them include gravitational force, magnetic force, and electric force. These forces can exert a push or pull on objects even when they are not in direct contact with them.
No, objects do not have to touch for a force to be involved. Forces, such as gravitational or electromagnetic forces, can act between objects even when they are not in direct contact.
They push or pull when it touches.