3. A 100 N force acts as shown on a 50 kg box sliding on an inclined plane. The force exerted by the surface on the block is 474.79 N. The coefficients of friction between the box and the plane are p, = 0.3 and Pe = 0.25. 50 kg P = 100 N 30° Which of the following is closest to the magnitude and direction of frictional force by the incline on the box? 4. Which of the fiollowing is closest to the value of the angle of friction? 14.04 5. Which of the following is closest to the magnitude of the resultant of the normal force and the frictional force? 499 N O

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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: