Class 9th Science Work and Energy Practice Questions
Section A – Multiple Choice Questions (20 Qs) Q1. Work done is said to be zero when:a) Force is applied and displacement is zerob) Displacement is applied and force is zeroc) Force and displacement are perpendiculard) All of the above Q2. SI unit of work is:a) Jouleb) Wattc) Newtond) Erg Q3. If a body of […]
