Maharashtra State Board Class 6 Science Simple Machines Textbook Exercises and Extra Question and Answers.
Classify the following as a lever,a pulley and an inclined plane :
A wedge, a needle, a staircase, a slide,the wheel of a flagpole, nutcrackers,scissors, an opener, an axe, a crane,a knife.
A wedge – Wedge
A needle – Inclined Plane
A staircase – Inclined Plane
A slide – Inclined Plane
The wheel of a flagpole – Wheel and Axle
Nutcrackers – Lever
Scissors – Lever
An opener – Lever
An axe – Wedge
A crane – Complex Machine
A knife – Wedge
Fill in the blanks using the proper word and complete the statements.
(a) The fulcrum in the centre, the load on one side, and the effort on the other side make a lever of the first order.
(b) The fulcrum in the centre, the effort on one side, and the load on the other side make a lever of the second order.
