Occean current
What type of quantity is occo cean currer t
SCalar nor vector. It 1s not a physical quantity.
what is force
force 1s the physical
On as
nhysical agency that produces or tends to produce change in the state of a body. Its
dewton. In CGS system, its unit is dyne or
can two vectors be added2
h Law of parallelogram of vectors (11) Law of cosines (iii) Using Rectangular compo-
How can
By using (9 Law of
fs, (iv) Head-to-tail rule,
d two
rent is
Describe law ot parallelogram of vectors
clined forces, acting at a point, are represented by two adjacent sides of a parallelogram,
ftwo inclin
rom their point of intersection represents the resultant vector.
agnet then the diagonal from the
agnet-
What is the law of cosines
Pa
dO are magnitudes of two forces, with their included angle 0, then the resultant R =
Oxide +Q+2PQ cose.
easily
What is a resultant vector
micro- Itis the combinea enTect of two or more vectors actino
What is an equilibrant: 1s it present in your vector diagram
ic the vector that neutralizes (or balances) the effect of two or more vectors acting on a body. It
eaual and opposite to the resultant. In our diagram, R is equilibrant
sed on
What is the function of pulleys n Gravesand's apparatus
a mag-
The pulleys of the apparatus are fixed 75
What type of quantity is occo cean currer t
SCalar nor vector. It 1s not a physical quantity.
what is force
force 1s the physical
On as
nhysical agency that produces or tends to produce change in the state of a body. Its
dewton. In CGS system, its unit is dyne or g. wt. (or g.f.)
Sf unit is
can two vectors be added2
h Law of parallelogram of vectors (11) Law of cosines (iii) Using Rectangular compo-
How can
By using (9 Law of
fs, (iv) Head-to-tail rule,
d two
rent is
Describe law ot parallelogram of vectors
clined forces, acting at a point, are represented by two adjacent sides of a parallelogram,
ftwo inclin
rom their point of intersection represents the resultant vector.
agnet then the diagonal from the
agnet-
What is the law of cosines
Pa
dO are magnitudes of two forces, with their included angle 0, then the resultant R =
Oxide +Q+2PQ cose.
easily
What is a resultant vector
micro- Itis the combinea enTect of two or more vectors actino
What is an equilibrant: 1s it present in your vector diagram
ic the vector that neutralizes (or balances) the effect of two or more vectors acting on a body. It
eaual and opposite to the resultant. In our diagram, R is equilibrant
sed on
What is the function of pulleys n Gravesand's apparatus
a mag-
The pulleys of the apparatus are fixed pulleys. They are used to change the direction of the force.
What is composition of vectors
magne Itis the process of determining the resultant of two or more vectors. it is also called addition of
vectors.
magnet
What is resolution
The splitting up of a single vector into two or more vectors (generally, into two rectangular com-
etc.
ic mateOnents) 1S called "'resolution"
poles iWhat are rectangular components
hese hese are the two components of a vectors whose included angle is 90°. These are denoted by F
and F. Their resultant is given by F =VF +
What is weight
S the gravitational force on an object. It is a vector quantity. Its direction is towards the centre
e earth from the centre of gravity of a body. Its SI units is newton (N) but its CGS unit hat is a unit vector
as dirgiy
0 Whose magnitude is unity is called unit vector. It is denoted by A. Now,
vector itself or A-
magnitude of vector
At ector=
A
hat are f, and k
, cse are the unit ectors along x, y and z - axes.
ture,pulleys. They are used to change the direction of the force.What is composition of vectors magne Itis the process of determining the resultant of two or more vectors. it is also called addition of vectors. magnet What is resolution
The splitting up of a single vector into two or more vectors (generally, into two rectangular com-
ic mateOnents) 1S called "'resolution"
poles iWhat are rectangular components
hese hese are the two components of a vectors whose included angle is 90°. These are denoted by F
and F. Their resultant is given by F =VF
What is weight
S the gravitational force on an object. It is a vector quantity. Its direction is towards the centre
e earth from the centre of gravity of a body. Its SI units is newton (N)
hat is a unit vector
0 Whosmagnitude is unity is called unit vector. It is denoted by A. Now,
vector itself or A-
magnitude of vector
hat are f, and k
, cse are the unit tors along x, y and z -
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