Work done
 

Work done problem 33


Three situations are listed.


  • someone blowing air into a party balloon


  • a crane lifting a block of concrete


  • a pile of books at rest on a shelf


In which situations is work being done?


  • 1 only


  • 1 and 2 only


  • 2 and 3 only


  • 1, 2 and 3


 

main author and content editor: Daniel Owoyomi