Assertion :A man is pushing a cart down a slope. Suddenly the cart starts moving faster. Reason: It accelerates due to both gravity and force applied by the man.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
While moving down the slope, a part of the force of gravity $(m g s i n θ)$ will act along the slope on the cart and will make it accelerate. Additionally, the man was already pushing it from behind. So, a combination of two forces will make it move faster.

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