Question

The diagram shows a lever system with a
load that is balanced by a weight, m grams,
WORK
5.
at a distance, d cm, from the fulcrum.
K dcm
fulcrum
load
weight = mg
The following table shows various pairs of
values of d and m.
d (cm)
10
20
30
40
m (grams)
50
60
30
20
15
12
(a) Show that d and m are in inverse
proportion
(b) Find the equation connecting d and m.
Find the value of m when d = 25.
(c)​

Answer 1

Answer:

⇒ Draw a line segment AB=4.5cm

⇒ Take B as center and draw an angle of 60

⇒ Cut off BC=5.5cm

⇒ Take A as with radius 4.8cm and draw an arc.

⇒ Take C as with radius 5cm and draw an arc, which cuts off previous arc at point D

⇒ Join CD and AD.

Step-by-step explanation: