# Physics a level question helpWatch

#1
I don’t understand how to answer this question can someone help please.
1
#2
Bump
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#3
Bump
0
5 months ago
#4
0
#5
Idk what to do
(Original post by Spannerin'moi)
0
5 months ago
#6
(Original post by Mikkiya)
Idk what to do

The C according to first calculation is -18.4N which isn't possible.
About B as a pivot : Rd and the 12W moment are anti-clockwise

The method is right except
- wherever R b or Rd is there, put the value with 'x'

Here's my working...
Spoiler:
Show

Simultaneous equation is done at end
0
#7
(Original post by Spannerin'moi)
The C according to first calculation is -18.4N which isn't possible.
About B as a pivot : Rd and the 12W moment are anti-clockwise

The method is right except
- wherever R b or Rd is there, put the value with 'x'

Here's my working...
Spoiler:
Show

Simultaneous equation is done at end
Thank you so much I understand it now
0
5 months ago
#8
(Original post by Mikkiya)
Thank you so much I understand it now
I'm a fellow student of A2 ...thanks to ya had a good revision
0
#9
(Original post by Spannerin'moi)
I'm a fellow student of A2 ...thanks to ya had a good revision
Actually I’m an AS student good luck for your exams
0
5 months ago
#10
(Original post by Mikkiya)
Actually I’m an AS student good luck for your exams
I see
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