1, How many As are required to balance Scale 3?

2, He must be punished in order to balance scale of justice.

3, Experience to use following equipment: balance scale, microscope, torque device, force device, calipers, heat chambers, etc.

4, Using a balance scale, how can he find the counterfeit coin in just two weighings?

5, If he stands on a balance scale calibrated in newtons , what will the scale read?

6, Frame plate torsion balance is a measurement instrument by modifying the general frame-pan balance scale.