The effect of gravity on speed
-put the ramp against the seat of a chair.Place the ramp and chair so that the ramp points towards the hallway.Have your teammate on the other endd of the hallway.
-place the ball bearing at the top of the ramp.
-lift the ramp 20 cm and release the ball bearing
-time how long it takes to travel 5 metres
-see how far it will go
-repeat the experiment three times for each height then do 40 cm, 60 cm and 80 cm
HEIGHT TIME TO TRAVEL DISTANCE TRAVELLED
20 4.72 sec 5 m. 90 cm.
40 8.78 sec 5 m. 60 cm.