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Physics Chapter 2
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if sclr product of two vectrz z undr root 3 timz the magnitude of cros product,then wot will b the anglz btwn the vectrz
parallel vectors of samse magnitude are alwayz ___ 2 each othr
which ov the folowing z scaler
Which of the following vector/vectors has orbitrary direction
in cros product,n hat z ___ quatity perpendicular to the plain cantaining the 2 vectrz
in product of cslr n vctr quantity,the new value obtanidz
two of the most comonly used unit vectrz r
amperz law z
ordinary mathematical rules can be used for vectors when they are
in scalr product,self product of 2 vctrz z equal to ___ if its ___
linear accelration z
if both,Rx and Ry are ngtv then resultant lies in in ___ quadrnt
dimensions of torque
if 5i^ _ 3j^ _ 2k^ and 2i^ + j^ _ k^ r scler vectrz,then angle btwn them z ...
when the line of action ov applied forc pases through pivot point,then value of momnt arm equals t
if vectr A = 4i^ _ 5j^ and B=_4i^ +5j^ then find A CROS b
torque z analogous of force for
a body z said to b under action of sevral forces,if body has zero ____ and no angular accelration
by convention,countr clok wise orque z taken as ___ n clok wise z taken as ___
torque acting on the body detrmins the
forc on a particle of chrge q n velocity v in ____ field z givn by ___ product
the turning efect of torque increase by _____ moment arm and _____ force
a unit vectr has a magnitude of 1 with
a vectr of magnitude zero without any specific direction z called ____
vctr adition z
Maximum number of rectangular components are
Which of the following is scalar quantity
power z
Maximum number of components of a vector may be
two refrence linz drwan perpendicular to each othr r caled
in three dimensional space we use ____ position vctrz
scaler product of 2 mutually perpendicular vctrz z
if two vctrz liies in 3rd quadrent then,to find its direction
angular momentum z
for a body to b in rotational equilibrium,sum of troqs on a body about any axis must b equal to
a body moving with ___ z said to b in dynamic equilibrium
when 1st condition of eq z satisfied then there z no ___ acc n body z said to b ____ equilibrium
Vectors are added by
A body in equilibrium is
A central force is that which
It is easier to turn a steering wheel with both hands than with a sinle hand 😀 because
Three coplanar forces acting on a body keep it in equilibrium. they should therefore be
in a vctr,the lenght of the vctr corespond to a
Location of a point is described by
If there are two more than one object in equilibrium in a given problem , then
Types of vector multiplication are
Forces acts in single plane and parallel to the plane
The effective value of a vector is
The magnitude of unit vector is
Unit vectors may be defined for
If a vactor is multiplied by negative vector then
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