QUESTION 1
Mutually perpendicular component of force has work done *
a)W= Fx S
b)W = FY S
c)both 1 and 2
QUESTION 2
A girl carries a 20kg bag upstairs to a height of 20 steps,each 20cm high. calculate the amount of work she has done to carry the bag. *
a)850 J
b)800 J
c)360 J
QUESTION 3
A body of mass 80 kg is raised to a height of 6m. What is the potential energy? *
a)6800 J
b)4800 J
c)1500 J
PLZZ ANS ME FAST....
Answers
Answered by
3
Answer:
itna bada nahi pata soorry bhai
Similar questions