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when two objects need to touch each other to work, an example for a contact force is static electricity. !
Lightning is an example of static electricity
static electricity static electricity
One example of static electricity is when you drag your feet across the floor and then shock someone. The shock is the static electricity.
Static electricity is generated when objects with different electrical charges come into contact and then separate, leading to a build-up of charge on the surface of the objects. While contact is involved in the generation of static electricity, the effects of static electricity can be felt even without direct contact, such as experiencing a shock when touching a metal object after shuffling your feet on a carpet.
Static electricity is a non-contact force because it can exert a force on other objects without physically touching them. This force occurs due to the imbalance of electric charges on the surface of objects.
Static electricity
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Building up electric charges on a Van de Graaff generator is an example of static electricity because it involves the accumulation of excess electrons on the surface of the generator, creating a static charge. This static charge can then be transferred to other objects through contact or induction, resulting in static electricity phenomena such as sparks or attraction/repulsion between objects.
it is an example of current electricity
No, static electricity is stationary charges that are not moving. This type of electricity builds up on the surface of an object and can discharge when it comes into contact with a conductor.
An example of harmless static electricity is when you touch a metal doorknob and feel a small shock. This is caused by the buildup of static electricity on your body from walking on carpet, and it discharges when you touch a conductor like the doorknob.