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 :
A
4 m s$$-$$2 upwards
B
4 m s$$-$$2 downwards
C
14 m s$$-$$2 upwards
D
30 m s$$-$$2 downwards
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
A body, under the action of a force $$\overrightarrow F = 6\widehat i - 8\widehat j + 10\widehat k,$$ acquires an accelerations of 1 m/s2. The mass of this body must be
A
10 kg
B
20 kg
C
10$$\sqrt 2 $$ kg
D
2$$\sqrt {10} $$ kg
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
A
16 m/s and 17 m/s
B
13 m/s and 14 m/s
C
14 m/s and 15 m/s
D
15 m/s and 16 m/s
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 :
A
$${{Mv} \over 2}$$ newton
B
zero
C
M$$v$$ newton
D
2 M$$v$$ newton
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12