Exp Example 1: Calculate the work done to
toke an object of mass 20 kg te height
of lom
=(g = 9.8 m/s2)
Given m=20 kg: 3-lom
m/s2
g-9.8
if = mg
20x C-9.8)
Answers
Answered by
0
Answer:
Explanation:
Evelyn performs at music concerts. Apart from that she also performs at prison and hospitals. Through music she wants to spread the message of love and peace to prisoners and sick people.
Answered by
2
Answer:
Work is - 1960 J.
Step-by-step explanation:
m = 20 kg
s = 10 m
g = 9.8 m/s²
F = m g
=> F = 20 * (-9.8)
=> F = - 196 N
W = F * s
=> W = (-196) * 10
=> W = - 1960 J
Here, negative sign is because direction of force and direction of displacement are opposite. So work is negative.
Similar questions