Page 36 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020
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PHYSICS PSPM SEM 1 1999 - 2017
PSPM 2016/2017 SF016/2 No. 3(c)
22.
P
Q
FIGURE 4.17
FIGURE 4.17 shows a stationary block P tied to a hanging block Q. The weight of
block P is 25 N and the coefficient of static friction between block P and the horizontal
surface is 0.4. Assume the pulley is smooth and the string is light.
(a) Sketch a free body diagram of block P. [2 m]
(b) Calculate the mass of block Q. [2 m]
Newton’s Second Law of Motion
PSPM JAN 1999/2000 SF015/2 No. 3(a)
23. State Newton’s Second Law. [1 m]
PSPM 2008/2009 SF017/2 No. 1(a)
24. What is meant by 1 N of force? [1 m]
UPS 2007/2008 SF017 No. 3(a)(i)
25. Give ONE example of an object moving in one direction while the net force acting on it
is in the opposite direction. [1 m]
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