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Force A force is a pull or a push. Forces can affect an object by changing the shape, the direction, the speed or move it. Gravity Gravity is a force which pulls objects down onto the Earth. Gravity is a force which makes sure we don't float up into the air. Friction Friction is a force which keeps us from slipping over. Friction is on everything we touch. Friction is found on the grip on your shoes. Lubricant A lubricant is a substance which reduces friction. These are some of the things that are lubricant: water and oil. Upthurst Upthrust is a force which supports an object in liquid.
Written and typed by Natalie age 9.
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