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XI_PHYSICS_KINEMATICS_10 online Test

The motion of circular rod in a circular hole is an example of
successfully constrained motion
completely constrained motion
partially constrained motion
incompletely constrained motion
The arrangement comprised by a rotating shaft in foot step bearing
does not exemplify a kinematic pair
has incompletely constrained motion
has successfully constrained motion
has completely constrained motion
A slider crank chain consists of following number of turning and sliding pairs :
1,3
2,2
3,1
4,0
0,4
The criterion of constraint for a kinematic chain having plane motion is given by the equation where j = number of binary joints in the chain H = number of higher kinematic pairs l = number of links in the chain
2j + H = 3l – 4
2 (j + H) = 3(l + 1)
j + H = 3l – 1
2(j + H) = 3(l + 2)
Oldham’s coupling is used to connect two shafts
which change axis during transmission
which have lateral movement during power transmission
whose axis intersect
which have lateral misalignment
Two parallel shafts, the distance between whose axes is small and variable, are connected by
Clutch arrangement
Oldham’s coupling
Hook’s joint
Universal coupling
/
3.14 m/s
2.0 m/s
1.0 m/s
Zero
In the motion of a projectile freely under gravity, its ____.
Total energy is conserved
Momentum is conserved
Energy and momentum both are conserved
None is conserved
A body of mass 0.5 kg is projected under gravity with a speed of 98 m/s at an angle of  with the horizontal. The change in momentum (in magnitude) of the body is ____.
A gun is aimed at a target in a line of its barrel. The target is released and allowed to fall under gravity at the same instant the gun is fired. The bullet wills ____.
Pass above the target
Pass below the target
Hit the target
Certainly miss the target
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This test is based on AIEEE and IIT JEE syllabus.

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