Choose the correct options for the following questions.
The outward force acting on a mass of 10 kg tied to one end of an inelastic string $10^{3} cm$ long and rotated at a speed of $1 m sec^{-1}$ is:
Difficulty: Easy
A:
25 N
B:
2 N
C:
10 N
D:
1 N
The number of revolutions in $3 \pi$ radians are
Difficulty: Easy
A:
$2$
B:
$3$
C:
$\frac{3}{2}$
D:
$\frac{1}{2}$
The velocity of a disc at the bottom of an inclined plane is?
Difficulty: Easy
A:
$\rm{\sqrt{gh}}$
B:
$\rm{\sqrt{\frac{4gh}{3}}}$
C:
$\rm{\sqrt{\frac{3gh}{4}}}$
D:
$\rm{\sqrt{\frac{5gh}{6}}}$
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