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+2
votes
1
answer
Name the type of strength used at the time of take *** in long jump.
asked
Apr 7, 2019
in
JEE
by
kratos
isc
force and laws of motion
jee
physical education
class-9
icse
jee mains
class-12
+1
vote
1
answer
What is the SI unit of momentum ?
asked
Mar 22, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+1
vote
1
answer
(a) To every action, there is an………………….. and…………………… reaction (b) Momentum is a…………….. Its emit is………
asked
Mar 13, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
class 9
+3
votes
1
answer
Which physical quantity corresponds to the rate of change of momentum ?
asked
Mar 5, 2019
in
Class 9
by
kratos
motion
force and laws of motion
class-9
force
+1
vote
1
answer
What is the force which produces an acceleration of 1 m /*^2 in a body of mass 1 kg ?
asked
Mar 4, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+2
votes
1
answer
State Newton’* first law of motion. Give two examples to illustrate Newton’* first law of motion.
asked
Mar 2, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
+1
vote
1
answer
Define Solvent.
asked
Feb 22, 2019
in
Class 9
by
kratos
class-9
is matter around us pure
+2
votes
1
answer
Define Solute.
asked
Feb 8, 2019
in
Class 9
by
kratos
class-9
cbse
is matter around us pure
+3
votes
1
answer
If a man jumps out from a boat, the boat moves backwards. Why ?
asked
Jan 25, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+3
votes
1
answer
Describe the term ‘inertia’ with respect to motion.
asked
Jan 20, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+1
vote
1
answer
What is Solubility of a solute?
asked
Jan 12, 2019
in
Class 9
by
kratos
class-9
cbse
is matter around us pure
+3
votes
1
answer
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
asked
Jan 4, 2019
in
Class 9
by
kratos
motion
force and laws of motion
class-9
force
+1
vote
1
answer
Derive the unit of force using the second law of motion. A force of 5 N produces an acceleration
asked
Jan 2, 2019
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+2
votes
1
answer
According to the third law of motion when we push on an object, the object pushes back on us with an equal and opposite force.
asked
Dec 23, 2018
in
JEE
by
kratos
cbse
force and laws of motion
jee
vectors
class-9
projectiles
jee mains
+2
votes
1
answer
Explain Why is it difficult for a firement to hold a hose, which ejects large amounts of water at a high velocity.
asked
Dec 23, 2018
in
Class 9
by
kratos
force and laws of motion
class-9
cbse
+2
votes
1
answer
Name the physical quantity whose unit is ‘newton’.
asked
Dec 23, 2018
in
Class 9
by
kratos
force and laws of motion
class-9
+2
votes
1
answer
Explain Newton'* Second Law of Motion.
asked
Dec 23, 2018
in
Class 9
by
kratos
force and laws of motion
class-9
+1
vote
1
answer
State the relation between the momentum of a body and the force acting on it.
asked
Dec 5, 2018
in
Class 9
by
kratos
force and laws of motion
class-9
+2
votes
1
answer
Explain, why is it difficult for a fireman to hold a hose, which ejects large amounts of water at a high velocity.
asked
Dec 4, 2018
in
Class 9
by
kratos
force and laws of motion
bernoulli
thermodynamics
class-9
reversible shaft work
+3
votes
1
answer
Name the technique to separate camphor from salt.
asked
Nov 30, 2018
in
Class 9
by
kratos
class-9
is matter around us pure
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