A 28.0-kg block is connected to an empty 2.12-kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.45 and the coefficient of kinetic friction between the table and the block is 0.30. Sand is gradually added to the bucket until the system just begins to move. Ignore mass of cord. (Figure 1) Part A Calculate the mass of sand added to the bucket. Express your answer to two significant figures and include the appropriate units. HẢ ? Value Units Submit Request Answer Part B Figure 1 of 1 Calculate the acceleration of the system. 28.0 kg Express your answer to two significant figures and include the appropriate units. Value Units MacBook Pro G Search or type URL @ $4 & 3 4 { Y U W S D F G H J K C V N M command option mand V * C0 B

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: