2nd sec. Mechanics quiz
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The volume of regular quadrilateral pyramid where the perimeter of base= 36cm and its height 10cm is ........ cm³
810
180
360
270
If the straight line L // the plane X, A ∈ X then L ∩ X =.......
Ø
L
{A}
X
If the resultant of two forces acting at a point reaches the maximum value then the measure of angle between their line of actions equals
180°
120°
0°
60°
Three coplanar forces of magnitudes 60, F and K newton meeting at a point and in equilibrium if the angle between the 1st and the 2nd force measures 120° and between 2nd and the 3rd measures 90° then the value of K=........ newton
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The ratio between the lateral surface area of triangle pyramid of regular faces to its total surface area =..........
1:3
1:4
3:4
1:2
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