Question

25 kg walks is sold at a constant speed by a horizontal force on a horizontal floor the coefficient of

Answer 1

✨ Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑

▬▬▬▬▬▬▬▬▬▬▬▬☟

➧ Work = force × displacement cosθ

➧ Force of friction =

Coefficient of friction × normal reaction

➾ 0.2 × mg

➾ 0.2 × 25 × 10

➾ 50 N

➧ Force × displacement

➾ 50N × 20 m

➾ 1000 J ...✔

ʙᴇ ʏᴏᴜʀs ^_^