Form 2 Track 2 Physics Worksheet - Annual Examinations For Secondary Schools, 2012 Page 11
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11P.E.
h =
v.
Using the formula
, calculate the height above the base plate from which
mg
the hammer was dropped.
________________________________________________________________________________
________________________________________________________________________________
(2)
vi.
Energy is lost in the rope and motor due to work done against friction. Suggest one
way of reducing this friction.
________________________________________________________________________________
(1)
vii.
Suggest two changes to the equipment in the diagram that would cause the base plate
to move further into the ground each time the hammer falls.
________________________________________________________________________________
________________________________________________________________________________
(2)
Physics – Form 3 Secondary – Track 2 – 2012
Page 11 of 11
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