What is a force?

A force is a push or pull that acts upon an object as a result of that object's interactions with its surroundings.

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Is force a scalar or vector quantity? Explain why.

Force has both a magnitude and a direction. Therefore, force is a vector quantity.

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What is a contact force?

A contact force is any force that occurs as a result of two objects making physical contact with each other.

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What is a non-contact force?

A non-contact force is a force which acts on an object without coming into physical contact with it.

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Is tension a contact or non-contact force?

Tension is a contact force.

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Is friction a contact or non-contact force?

Friction is a contact force.

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Is weight (the force of gravity acting on an object) a contact or non-contact force?

Weight is a non-contact force.

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Is normal contact force a contact or non-contact force?

Normal contact force is a contact force.

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Is electromagnetism a contact or non-contact force?

Electromagnetism is a non-contact force.

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Is magnetic force a contact or non-contact force?

Magnetic force is a non-contact force.

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Is air resistance a contact or non-contact force?

Air resistance is a contact force.

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Name the 3 non-contact forces.

  1. Weight (force due to gravity).
  2. Electromagnetism.
  3. Magnetism.

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