A balance and torque experiment is conducted with a balanced ruler (that is, the pivot point is in the middle).
Length of the ruler: 1 m
Mass of the ruler: 700 g
Weight 1: 1.3 N. This weight is placed at the 24-cm mark on the ruler.
Weight 2: 6 N. This weight is placed at the 54-cm mark on the ruler.
We want to balance the ruler by placing a weight at the 93-cm mark.
What should the magnitude of this weight?
A balance and torque experiment is conducted with a balanced ruler (that is, the pivot point is in the middle).
Length of the ruler: 1 m
Mass of the ruler: 650 g
Weight 1: 3 N. This weight is placed at the 9-cm mark on the ruler.
Weight 2: 4 N. This weight is placed at the 53-cm mark on the ruler.
We want to balance the ruler by supporting it with a spring scale at the 5-cm mark.
What reading should we expect on the spring scale?
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