Question

Least count of the given metre scale =
Known weight (effort)
Position of centre of gravity (A)
gm-wt.
cm.
Effort arm (BC)
Load arm (AB)
(in cin)
MA
Position of
Position of effort
fulcrum (B) (known weight) (C)
Effort arm
Load arm
Weight of the metre
scale, L = Ex MA
(in gm-wt.)
S.No.
(in cm)
1.
60 cm
2.
65 cm
3.
70 cm
Mean weight of the given scale =
gm-wt.​

Answer 1

Answer:

Effort arm (BC)

Load arm (AB)

(in cin)

MA

Position of

Position of effort

fulcrum (B) (known weight) (C)

Effort arm

Load arm

Weight of the metre

scale, L = Ex MA

(in gm-wt.)