Question: QUESTION/ SOALAN MARKS/MARKAH 1. (a) By using your own words, (i) differentiate between velocity and speed (ii) state Newton's Second Law of Motion. (4) (b)

QUESTION/ SOALAN MARKS/MARKAH 1. (a) By using your own words, (i) differentiate between velocity and speed (ii) state Newton's Second Law of Motion. (4) (b) Starting from rest, a car accelerates and reaches a speed of v m/s in 8 s. After that, it travels at this constant speed for 10 s. The brakes are then applied and the car decelerates to a stop in 5 s. The total distance covered by the car was 100 m. (i) Sketch the velocity-versus-time graph for the motion of the car. (ii) Find the value of v. (iii) Determine the deceleration of the car. (10 ) (c) As shown in the figure below, four forces act on point 0. Calculate the magnitude and direction of the resultant force acting on point 0. 100 N 50 N 170 N 50 N

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