JK Academy Std 6 Science Chapter 12 Simple Machine questions and answers
Exercise 1. 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: An inclined plane A needle: An inclined plane A staircase: An inclined plane A slide: An inclined plane …