1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is :
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the magnitude of the minimum additional force needed is
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A roller coaster is designed such that riders experience ''weightlessness'' as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Sand is being dropped on a conveyer belt at the rate of M kg/s. The force necessary to keep the belt moving with a constant velocity of $$\upsilon $$ m/s will be :
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