iv. An athlete making a high jump to clear the bar at a certain height.
What are the factors affecting friction?
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Squeezing a piece of lemon between the fingers to extract its juice.
Agent exerting force: - Fingers
Object: - Lemon
Effect: - Change in Shape.
(b) Taking out paste from a toothpaste tube.
Agent exerting force: - Fingers
Object: - Toothpaste tube
Effect: - Change in shape of toothpaste tube
(c) A load suspended from a spring while its other end is on a hook fixed to a wall.
Agent exerting force: - Load
Object: - Spring
Effect: - Change in shape of spring.
(d) An athlete making a high jump to clear the bar at a certain height.
Agent exerting force: - Muscles
Object: - Athlete
Effect: Change in state of motion
Explanation:
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