what is the formula of joule and how much newton is required to lift 20 kg weight?
Joule is the unit of energy or work done.
Work done = force × displacement
1 joule = 1 Nm
= 1 kg m2/s2
Force required to lift 20 kg mass= mg
= 20 ×9.8 = 196 N
Work done = force × displacement
1 joule = 1 Nm
= 1 kg m2/s2
Force required to lift 20 kg mass= mg
= 20 ×9.8 = 196 N