In collisions between objects momentum is conserved. This apparatus can be used to investigate the conservation of linear momentum in collisions.

Equipment list:

• Steel profile rod 4 × 4cm²  , in 160cm length
• Scaled solid plexiglass arc, -15 to 15 degrees ,accuracy: 1 degree , dimensions: 1cm × 16cm × 80cm
• The length of the apparatus string : 1m
• Two 350 gr and 150 gr bullets in 5cm and 3cm diameters
• Stand