The work done on a body of mass 5 Kg is 70 J. What is the magnitude of the force applied if the total displacement it covered is 7 m.
A. 10 N
B. -10 N
C. 20 N
D. 70 N
Answer:A
The work done on a body of mass 5 Kg is 70 J. What is the magnitude of the force applied if the total displacement it covered is 7 m.
A. 10 N B. -10 N C. 20 N D. 70 N