Figure below shows a level in use. If $F A = 80 c m$ , $A B = 20 c m$ , find its mechanical advantage.

2.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.75

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1.25

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $1.25$
Effort Arm $= F A + A B = 80 + 20 = 100 c m$
Load Arm $= F A = 80 c m$
Mechanical Advantage $= \frac{Effort Arm}{Load Arm} = \frac{100}{80} = 1.25$

Suggest Corrections

Similar questions

The diagram below shows a lever in use. If FA = 40 cm & AB = 60 cm, find the mechanical advantage of the lever.

In fig below shows a lever in use.

(a) To which class of lever does it belong?

(b) If FA = 80 cm, AB = 20 cm, find its mechanical advantage.

A fire tongs has its arms 20 cm long. It is used to lift a coal of weight 1.5 kgf as shown in the figure below by applying an effort at distance 15 cm from the fulcrum. Find the mechanical advantage of fire tongs.

Q. Fig.3.10 below snows a lever in use
(a) To which class of lever does it belong?
(b) If AB=1 m, AF = 0.4 m,find its mechanical advantage
(c) Calculate the value of E.

A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the effort arm and the mechanical advantage of the crowbar.

Join BYJU'S Learning Program

Figure below shows a level in use. If FA=80 cm, AB=20 cm, find its mechanical advantage.

The correct option is D 1.25Effort Arm =FA+AB=80+20=100cmLoad Arm =FA=80cmMechanical Advantage =Effort ArmLoad Arm=10080=1.25

Figure below shows a level in use. If $F A = 80 c m$ , $A B = 20 c m$ , find its mechanical advantage.

The correct option is D $1.25$
Effort Arm $= F A + A B = 80 + 20 = 100 c m$
Load Arm $= F A = 80 c m$
Mechanical Advantage $= \frac{Effort Arm}{Load Arm} = \frac{100}{80} = 1.25$