Projectile Launcher

For Exploring The Projectile Motion And Underlying Concepts. On Releasing The Launcher With Compressed Spring, The Holed Metal Ball Loaded At The End Of The Launcher Is Projected In The Air. The Velocity Of Projection Can Be Adjusted By Changing The Compression Level Of The Spring. Rotating Clamp Provided For Easy Clamping Of The Apparatus To The Workbench And To Vary Angle Of Projection From 0 To 90°, Which Can Be Read Along The Plumb Line From Protractor Graduated 90°-0-90°. Also Included 3 Balls - One Each Of Aluminum, Steel And Lead Of Diameter 25Mm. (Projectile Launcher)