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Maths Group11
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5 110
Which one of the following statement is true about the classes of lever in simple machines?
5 110
If an inclined plane of 4m length and 1m height has an efficiency of 0.5, what is its mechanical advantage?
5 110
A screw shaft has a diameter of 4cm and its adjacent threads are 0.314cm apart. What is the velocity ratio of the screw?
5 110
A 10cm long and 2cm wide metal wedge is used to split a wood. What is the velocity ratio of the wedge?
5 110
An effort is 200N is applied on to a wedge of 4cm thick and 12cm long to split a log of 500N into parts. Then what is the efficiency of the wedge?
5 110
A simple machine has an efficiency of 0.75 and velocity ratio 12. Then what is the load that can be moved if an effort of 100N is applied?
5 110
A simple machine is able to move a 400N load a distance of 20cm when a force of 20N is moved the distance of 5m, then what is the actual mechanical advantage and the efficiency of the machine ?
5 110
#Adwa
Baga ayyaana injifannoo Adwaa waggaa 130ffaa, mallattoo bilisummaa fi kabajaa saba gurraachaa addunyaa guutuu isiniin ga’e.
እንኳን ለ130ኛው የመላው ጥቁር ሕዝቦች የነፃነት ፋና ወጊ ለሆነው ታላቁ የዓድዋ ድል በዓል አደረሳችሁ፡፡
መልካም የድል በዓል🙏
Happy Ethiopian Victory Day Adwa
@maths_group11
5 110
Which one of the following statement is not true about the purposes of simple machines?
5 110
Which one of the following statement is exactly true about the graph of a polynomial function of degree 4?
5 110
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5 110
When 2x³ - 5x² + 4x-8 is divided by ax² + bx +c the quotient is x-2 and the remainder is bx -a. Then what are the value of a, b and c respectively?
5 110
When x³-2x²+3bx +10 is divided by x-3 the remainder is 37. Then what is the value of b?
