Page 45 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020

PSPM SP015

Energy and Principle of Conservation of Energy

UPS 2015/2016 SF016 No. 4(a)

5. Define
(a) kinetic energy. [1 m]
(b) potential energy. [1 m]

UPS 2006/2007 SF017 No. 4(a)

6. State two factors that contribute to the potential energy of an object.
[2 m]

UPS 2013/2014 SF016 No. 4(b)(i)

7. Give ONE difference and ONE similarity between kinetic energy and potential energy.
[2 m]

UPS 2014/2015 SF016 No. 4(b)(i)

8. State the principle of conservation of energy. [2 m]

PSPM 2012/2013 SF016/2 No. 3(a)

9. State work-energy theorem. [1 m]

PSPM JUN 1999/2000 SF015/2 No. 3(b)

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10. A body of mass 650 g is placed on a vertical spring with constant force 150 N m until
the spring is compressed 22 cm. If the body is released, determine the maximum height
achieved from the position where it is released. [2 m]

PSPM JAN 2000/2001 SF015/2 No. 4

11.
5.0 m

12 m s -1 inclined plane

60 kg 45

FIGURE 5.3
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FIGURE 5.3 shows a block of mass 60 kg moving at velocity 12.0 m s through a
distance of 5.0 m along an inclined plane of 45 to the horizontal before it stops.
Calculate the energy loss due to friction. [4 m]

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