Force and Pressure
Force is a push or pull between objects with magnitude and direction, measured in Newtons. Net force is the resultant force when multiple forces act on an object. Forces in the same direction add up, while forces in opposite directions subtract. Force can change motion, shape, direction, and speed of an object.
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Presentation Transcript
FORCE AND PRESSURE...... FORCE
Force Force is a push or pull developed due to interaction between objects. Force has both magnitude and direction. The strenghth of the force is its magnitude. Unit of force is Newton.
Net force When a number of individual forces are applied on a body, the resultant force is known as net force. If forces F1 and F2 are applied on a body in same direction, the net force will be F = F1+ F2. If forces F1 and F2 are applied on a body in an opposite direction, the net force will be difference between these two forces.( suppose F2 > F1, the net force will be F2-F1 and the body moves towards the direction of F2). If forces F1 and F2 are applied on a body in an opposite direction and F1 = F2, the net force F= 0
Forces in same direction F=F1 + F2
Forces in opposite direction(F2>F1) F=F2- F1
Effect of force Force can change the state of motion of an object. Force can change the shape of an object. Force can change the direction of an object. Force can alter the speed of moving object. Force can bring about some of these changes together.
