A body having 7 kg of mass moves slowly and covers a vertical height of 14 m. What is the work done in Joules and what force causes this work? Take g = 10 m/s2.
A. 980, gravity
B. 980, force acting opposite to gravity
C. 1000, gravity
D. 1000, force acting opposite to gravity
Answer:A
A body having 7 kg of mass moves slowly and covers a vertical height of 14 m. What is the work done in Joules and what force causes this work? Take g = 10 m/s2.
A. 980, gravity B. 980, force acting opposite to gravity C. 1000, gravity D. 1000, force acting opposite to gravity