Also Giving BRAINLIEST!!2. In Fig. 2-7 a mass m of 12.00 kg is pulled, at constant speed, along an inclined plane which makes an angle with the horizontal. (a) What is the value of angle A if we want to raise the mass m to a height of h = 2.00 m? (b) What is the mechanical advantage produced by the inclined plane? We assume that the inclined plane is frictionless.​

[SOLVED] Also Giving BRAINLIEST!!2. In Fig. 2-7 a mass m of 12.00 kg is pulled, at constant speed, along an inclined plane which makes an angle with the horizontal. (a) What is the value of angle A if we want to raise the mass m to a height of h = 2.00 m? (b) What is the mechanical advantage produced by the inclined plane? We assume that the inclined plane is frictionless.​
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Answer:As P is increased from mg(sinθ−μcosθ) to mg(sinθ+μcosθ) frictional force will change from mgcos ( upwards parallel to inclined plane) to 0 to mgcos (downwards parallel to inclined plane). Under the approximation of linear variation of P the correct option is A.

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