Dynamics Trolley Set, Wooden

For Exploring The Newtons Laws Of Motion, The Concept Of Conservation Of Momentum And Elastic-Inelastic Collisions Of Objects In Onedimension. Comprises A Pair Of Wooden Trolleys, Each Carried Upon Three Wheels With Ball Bearings To Minimize Friction And A Spring Loaded Plunger With 2 Levels Of Spring Compression, Which Is Activated By A Trigger Knob On Top Of The Trolley. A Tough Lamited Surface Mounted On Each Trolley Ebles Placing Of Additiol Masses For Increasing The Effective Weight Of The Trolley. Velcro Pasted At The Back End Of Each Trolley Eble The Study Of Inelastic Collisions. (Dymics Trolley Set, Wooden)