Beginning monday 20 april bbc bitesize will publish daily online lessons for all ages well also have a new dedicated tv channel full of learning content podcasts on bbc sounds and loads of . What is a force everything on earth is powered by forces pushes and pulls which act on our bodies and the things around us forces make things move and stop moving some of the forces we are subject to are gravity which keeps us on the earths surface the centripetal force the force that makes things move in circles and friction the force which makes things stick or slide. A force is a push or pull that causes a change in speed direction or shape some forces are affected by speed other forces are not all forces come in pairs no force exists by itself
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