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a) What do you understand by the terms ‘balanced forces’ and ‘unbalanced forces’? Explain with examples. b) What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands? What effect is produced in the ball? |
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Answer» a) When the forces acting on a body is zero, the forces are called balanced force. Pressing of a balloon between both the hands is an example of balanced force. When the forces acting on a body is not zero, the forces are called unbalanced force. Pushing a toy car is an example of unbalanced force in which the car starts to move as there is unbalanced force acting on it. b) When a rubber ball is pressed between our hands, balanced force acts on it and therefore, there is no change in its shape. |
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