A large block

 

Code Number: 1M10.16

Demo Title: Lift or Carry a Block

Condition: Good

Principle: Work

Area of Study: Mechanics

Equipment: 

A large block or book.

Procedure:

Lift a block off a table and discuss that work is only done when you are lifting the block and not when you are carrying it around at the same horizontal height.

References:

  • Carl E. Mungan, "Negative Work Done by a Person", TPT, Vol. 53, # 4, April 2015, p. 224.
  • Atakan Çoban et al., "Energy Conservation Analysis Using Arduino", TPT, Vol. 61, #4, Apr. 2023, p. 295.
  • Borislaw Bilash II, David Maiullo, "Work is Going My Way", A Demo a Day: A Year of Physics Demonstrations, p. 78.