To plan and carry out experiments to verify the Principle of Moments using a suspended metre rule and attached weights.
The Principle of Moments states that when a body is balanced, the total clockwise moment about a point equals the total anticlockwise moment about the same point.
Moment =force F x perpendicular distance from the pivot d.
Moment = Fd
A uniform metre rule, retort stand, boss and clamp, two 100 g mass hangers and 12, 100g slotted masses, a g-clamp, three lengths of string.
Clamp the retort stand to the bench with the g-clamp to it doesn’t fall and hurt someone or fall on their feet.
Place an obstacle, such as a stool, to keep feet from beneath the metre rule, to make sure the mass hangers don’t fall on someone’s foot.
Safety glasses should be worn in case the meter rule swings and hits someone in the eye.
For ANTICLOCKWISE moment:
|Mass m1 in kg||Turning force F1 in N||Perpendicular distance from the pivot d1 in cm||Anti- clockwise Moment in Ncm|
For CLOCKWISE moment:
|Mass m2 in kg||Turning force F2 in N||Perpendicular distance from the pivot d2 in cm||Clockwise Moment in Ncm|