A contestant in a winter games event pushes a 59.0-kg block of ice across a frozen lake with a force of 25 N at 22.0° below the horizontal as shown in Figure (a) below, and it moves with an acceleration of 0.390 m/s2 to the right. (a) What is the normal force exerted by the lake surface on the block of ice? (b) Instead of pushing on the block of ice, the contestant now pulls on it with a rope at the same angle above the horizontal as in part (a), and with the same magnitude of force. Now what is the normal force exerted by the lake surface on the block of ice?

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A contestant in a winter games event pushes a 59.0-kg block of ice across a frozen lake with a force of 25 N at 22.0° below the horizontal as shown in Figure (a) below, and it moves with an acceleration of 0.390 m/s2 to the right. (a) What is the normal force exerted by the lake surface on the block of ice? (b) Instead of pushing on the block of ice, the contestant now pulls on it with a rope at the same angle above the horizontal as in part (a), and with the same magnitude of force. Now what is the normal force exerted by the lake surface on the block of ice?

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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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