U If the center
of
mass U
Explain why a minibus is more likely to topple over when the roof is Awaviny
QUESTION 2 (2015)
a) Describe an
object.[51
experiment you would carry out to determine the center of mass of a thin itegularly shape
b) The Fig, below shows a uniform meter-rule. It is pivoted on the 40cm mark and balances when an die
of 150N hangs on the 20m mark.
40cm
20cm
100cm
500n
Ocra
1SON
W
i Calculate the weight (W) of the meter rule. [1]
Explain why the meter rulc balances horizontally as shown above. [2]
c) Explain why a high jumper can jump through a greater vertical distance on the moon than on earth. 121
(2010)
a point? 111
121
b) Calculate the force acting vertically up
Tack is empty. [2]