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MIDDLE SCHOOL

Physical Science

Motion and Stability: Forces and Interactions

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Motion and Stability: Forces and Interactions: Forces

Contact and Non-contact Forces

Description

Contact and Non-Contact Forces

Forces are pushes or pulls that can cause objects to move, stop, or change direction. Some forces need direct contact between objects to work, while others act at a distance.

Types of Forces

  • Contact Forces—These require two objects to touch. Examp...

Transcript

A force is a push or pull that can make something move, stop, or change direction.

Interestingly, not all forces require direct contact. So, based on whether there is contact, forces can be categorized into contact and non-contact.

Contact forces occur when two objects touch.

Imagine riding a bike and hitting the brakes. The br...

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