March 24, 2017

Post a New Question

Posted by on Friday, January 29, 2010 at 11:10am.

A crane lifts 1 tonne of concrete through a height of 25 m. How much work does it do? (1 kg has a weight of 9.81 N.)

  • physics - , Friday, January 29, 2010 at 11:49am

    1 tonne is 1000 kg. Multiply the weight (in Newtons) by 25 m.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question