Question

27. A company designs a spring system for loading ice blocks onto a truck. The ice block is placed in a holder H in front of the spring and an electric motor compresses the spring by pushing H to the left. When the spring is released the ice block is accelerated towards a ramp ABC. When the spring is fully decompressed, the ice block loses contact with the spring at A. The mass of the ice block is 25 kg. Distance between ground and truck is 1.2m

Assume that the surface of the ramp is frictionless and that the masses of the spring and the holder are negligible compared to the mass of the ice block.

The spring launches the block with a speed of 4.5 m/s. The spring decompression takes 0.42s. Determine the average force that the spring exerts on the block.

Answer 1