Subject test
Note: -
You are attempting question 11 out of 12
A block of wood of mass 2.6 kg is moved up along 8.9 m incline from rest by applying a
horizontal force of 25 N. If the incline makes an angle of 23° with the horizontal and the
total work done on block to move it up the is 78.9 J, calculate the magnitude of frictional
force between wood and the incline.
(a) 4.19 N
(b) 15.5 N
(c) 12.6 N
(d) 6.79 N
Answers
Answer:
(a) 4.19 N
Explanation:
State / UT River Dam
Andhra Pradesh Pennar Somasila
Himachal Pradesh Sutlej Bhakra Dam
Odisha Mahanadi River Hirakud Dam
Uttar Pradesh Rihand River Rihand Dam
State / UT River Dam
Andhra Pradesh Pennar Somasila
Himachal Pradesh Sutlej Bhakra Dam
Odisha Mahanadi River Hirakud Dam
Uttar Pradesh Rihand River Rihand Dam
State / UT River Dam
Andhra Pradesh Pennar Somasila
Himachal Pradesh Sutlej Bhakra Dam
Odisha Mahanadi River Hirakud Dam
Uttar Pradesh Rihand River Rihand Dam
State / UT River Dam
Andhra Pradesh Pennar Somasila
Himachal Pradesh Sutlej Bhakra Dam
Odisha Mahanadi River Hirakud Dam
Uttar Pradesh Rihand River Rihand Dam
State / UT River Dam
Andhra Pradesh Pennar Somasila
Himachal Pradesh Sutlej Bhakra Dam
Odisha Mahanadi River Hirakud Dam
Uttar Pradesh Rihand River Rihand Dam
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