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5 102
Which one of the following statement is true about the classes of lever in simple machines?
5 102
If an inclined plane of 4m length and 1m height has an efficiency of 0.5, what is its mechanical advantage?
5 102
A screw shaft has a diameter of 4cm and its adjacent threads are 0.314cm apart. What is the velocity ratio of the screw?
5 102
A 10cm long and 2cm wide metal wedge is used to split a wood. What is the velocity ratio of the wedge?
5 102
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?
5 102
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?
5 102
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 ?
5 102
Which one of the following statement is not true about the purposes of simple machines?
5 102
+1
#kutaa_12ffaa
Sagantaan qoormaata kutaa 12ffaa kan bara 2018 ifoomeera.
🔰Bu'uura kanaan, barattoonni qormaata saanii karaa onlaayinii (Computer-Based Testing - CBT) fudhatan marsaa jaha keessatti qoratamu.
🔰 Marsaa 1ffaa irraa hanga marsaa 3ffaatti barattoonni damee Saayinsii Uumamaa ni qoramu.
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Sagantaa qoormaatichaa suuraa armaan olii irraa ilaaluu ni dandeessu.
5 102
Which of the following best describes the law of conservation of mass? It states that
5 102
Father: How was your exam yesterday?
Son: I got zero out of twenty?
Father: Bravo! What can we conclude from this conversation between father and son?
