Elastic and Plastic Behaviour

Elastic and Plastic Behaviour problem 3

In the listed cases, the events in which elastic bodies occur are described. For each event, determine whether the body’s elastic energy increases, decreases, or does not change.

  • A ball rolling on the floor.

  • A balloon inflated by a child.

  • A taut bowstring that an archer lowers and shoots an arrow.

  • A bed grandma sits on.

  • An elastic band that falls from the table to the floor.

  • A spring balance on which the teacher hangs a weight.

  • A compressed spring that a student lowers to fly off the table.


material editor: Gabriel Amakhabi