B6-RT23: METER STICK WITH HANGING MASS I-DIFFICULTY HOLDING
A student is holding a meter stick by one end. A 1,000 g mass is hung on the meter sticks. All of the meter sticks are
identical, but the distance along the meter
stick at which the 1,000 g mass is hung and the angles at which the
student holds the meter stick vary. (Ignore the mass of the meter stick.)
A
B
1/2
30%
60°
C
D
E
450
Rank the difficulty of holding the meter stick from the left end in the position shown.
1
Greatest
2
3
4
5
OR All Cannot
All
Least
the same
.
zero
determine
Explain your reasoning.
Ber cha