Magtanong at makakuha ng malinaw na mga sagot sa IDNStudy.com. Hanapin ang impormasyon na kailangan mo nang mabilis at madali sa pamamagitan ng aming komprehensibo at eksaktong platform ng tanong at sagot.

how much work is done in lifting a 2kg box from the floor to the top of a table 80 cm high

Sagot :

mass  = 2kg
distance = 80cm (convert this to meter = 0.8m)

W = fd, right? (At least, from what I remember)

To find Force (or work done) let's use the Force = mass x gravity. Which gives us F = (2.0kg)(9.8m/s^2), giving us N = 19.6N. We must now use the W = fd, which is W = (19.6N)(0.8m) = 15.68J.

I hope that answers your question. Use a calculator to double check, I am a particularly careless person. Teehee.