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WorksheetsJEE EXAM MEGA QUIZ PHYSICS
Total questions: 11
Worksheet time: 6mins
Viscious drag is analogous to frictional force in case of which state of matter ?
Gases
Solids
Liquids
All of these
If cotton occupies more volume then the buoyant force is ?
1
3
2
more than these
Swimming is possible due to newton" s which law of mtion ?
2
3
1
none
Action and reaction force act on ?
same body
weightless body
weightfull body
different body
The force of action and reaction have __________ magnitude with different drection.
different
same
opposite
weightless
Buoyant force = _______________________
weightof fluid displaced by an object
weight of an object
weight of liquid
all of these
Formula of recoil of velocity of a gun = ______________
NS
kg m/s
V = {-m/M} v
g cm/s
S.I unit of impulse is __________
v={-m/M}v
kg m/s
g cm/s
mv-mu
When a body of mass m is going up with acceleration a then the buoyant force acting on it is ?
B=ma[a-g]
B=m[a+g]
B=mg
B=m/g
The vector sum of action and reaction is
2
3
0
5
A car accelerates on a horizontal road due to the force exerted by?
engine of the car
earth
driver of the car
road
