Question

which simple machine is a modification of incline plane?
a. pulley
b. screw
c. wedge
d. wheel and axle ​

Answer 1

Explanation:

b. Screw

1. What simple machine is a modified inclined plane which is like a spiral

staircase wrapped around a cylinder

a. lever

b. pulley

d. wheel and axe

2. What simple machine is a modified wheel and axle used to move things

up, down, and sideways?

a. pulley

c. wheel and axle

b. screw

d. wedge

3. Why are simple machines useful?

a. They can be replaced quickly.

b. They can be bought anywhere.

C. They make work easy and fast.

d. They have been used a long time ago.

4. Which of the following is a wheel and axle?

I. block and tackle II. egg beater

II. food grinder IV. screwdriver

a. I, II, and III

c. II, III, and IV

b. I, II, and IV

d. I, II, III, and IV

5. What simple machine does a flagpole use?

a. block and tackle

c. movable pulley

b. fixed pulley

d. screw

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Answer 2

Screw is a simple machine which is a modification of inclined plane