Question

10
11
• A block of mass solg is pulled up a slobe
with constant speed by applying an
external force of 20 kg wt. panallel to the
slope. The block moves through a distance
af 2 4 m along the slope.
is what is the work done by the external
applied force ?
ii) Name the SI unit al-work. Express
itinkg, meture and sec.
12
1​

Answer 1

Answer:

i) W = F ´ s = (20 ´ 10) ´ 4 = 800J

ii) Potential Energy = 50 ´ 10 ´ 3 = 1500J

Explanation: