| Sl. No. | Required item | Utility |
| 1 | Vertical stand | To hold the object at a height |
| 2 | scale | To measure the height |
| 3 | Steel ball | Mass for free fall |
| 4 | electromagnet | To hold the ball and release when button is pressed |
| 5 | timers | To measure time |
| 6 | collector | To collect the ball |
(a)
Figure 1: Free Body Diagram of forces on: (a) Steel ball
Figure 1: Free Body Diagram of forces on: (a) Steel ball