a) Describe three effects of force with appropriate examples.
b) Differentiate between contact and non-contact forces. Give proper examples
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A)⏺️ Ex :- We push a cart to make it move.. #3. It can change the direction of motion.
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•Change in speed of moving object. ex- increasing the speed of a bicycle by exerting more force on the peddle.
•Change the direction of moving object. ex-pushing a cart to move in in right direction.
•Change in shape and size.
B)The most familiar example of a non-contact force is gravity, which confers weight. In contrast a contact force is a force applied to a body by another body that is in contact with it. If the two interacting bodies are in direct physical contact with each other,then the foce is called contact force.
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