Question

1. 17. In a machine , the mechanical advantage of a machine is 15. How much load it can exert for the effort of 3 kgf.

( ) 5 kgf

( ) 45 kgf

( ) 0.2 kgf

( ) 10 kgf

2. In a lever , fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. find the length of effort arm

( ) 30 cm

( ) 60 cm

( ) 120 cm

( ) 90 cm

3. In a machine an effort of 10 kgf is applied to lift a load of 100 kgf. What is its mechanical advantage?

( ) 10
( ) 10 Kgf
( ) 90 Kgf
( ) 90

​

Answer 1

Answer:

Answer:

1)

a) Amphibians are always found near water.

b) Frogs,newts

c) A kind of animal.

d) slimy

e) False

2) I don't know becuase I have not read this chapter.

3)

a) I think mat

b) C

c) Teapot

Hope it helps you......

Explanation:

please mark and brinlits ok. ...............