1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop it?
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The moment of the force, $$\overrightarrow F = 4\widehat i + 5\widehat j - 6\widehat k$$ at
(2, 0, –3), about the point (2, –2, –2), is given by
(2, 0, –3), about the point (2, –2, –2), is given by
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A solid sphere is rotating freely about its
symmetry axis in free space. The radius of
the sphere is increased keeping its mass same.
Which of the following physical quantities
would remain constant for the sphere?
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A solid sphere is in rolling motion. In rolling
motion a body possesses translational kinetic
energy (Kt) as well as rotational kinetic energy
(Kr) simultaneously. The ratio Kt
: (Kt + Kr)
for the sphere is
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