Which of the following describes work?
Alifting a 1 kg mass for 1 m
Bholding a 1 kg mass for 1 hour
Cmoving 1 m in 1 hour
Dholding 1 kg mass
Alifting a 1 kg mass for 1 m
Bholding a 1 kg mass for 1 hour
Cmoving 1 m in 1 hour
Dholding 1 kg mass