Work, Energy and Power grade 12: practice

Grade 12 work energy power practice question

[mnqobingongwana]

Youre amazing a true life saver god bless you man

[thandomsane]

Thank you so much! You are a true life saver!!!🙏🏾

[enhleycaterson]

3.08 why are we adding friction and fg parallel while they are acting in the opposite direction? I am really lost, please help .

[naimakili]

at 5.3 i keep on getting -2045J for the net work when i punch in my calculator, is the mistake done by me or on your side ?

[palesanompunga]

Hello sir, why isn't the frictional force in question 5.3 negative ?

[qinisoque-rg]

why when calculation 5.5 ek initial -final??