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Recent questions tagged forces
+3
votes
1
answer
The velocity of a car moving on a straight road increases linearly according to equation, v = a + b x,
asked
Apr 7, 2019
in
Class 11
by
kratos
motion in a straight line
forces
force and motion
class-11
kinematics
thermodynamics
class-7
laws of motion
+3
votes
1
answer
A simple pendulum with a bob of mass m is suspended from the roof of a car moving with horizontal acceleration a
asked
Apr 6, 2019
in
JEE
by
kratos
forces
class-11
jee
kinematics
simple harmonic motion
jee mains
+1
vote
1
answer
A uniform cubical block of mass M is attached to a pulley. One end of a string, passing over the pulley is fixed to a light pole
asked
Apr 5, 2019
in
JEE
by
kratos
forces
work energy and power
class-11
jee
kinematics
simple harmonic motion
jee mains
+3
votes
1
answer
A particle moves in a straight line with retardation proportional to its displacement.
asked
Apr 2, 2019
in
JEE
by
kratos
work
forces
work energy and power
class-11
jee
energy and power
kinematics
jee mains
+3
votes
1
answer
A block of mass m is placed on a horizontal surface. The coefficient of friction between them is μ.
asked
Apr 2, 2019
in
JEE
by
kratos
forces
class-11
jee
mechanics
kinematics
jee mains
+2
votes
1
answer
Statement-1 : Two particles moving in the same direction do not lose all their energy in a completely
asked
Apr 1, 2019
in
Physics
by
kratos
work
forces
quantum mechanics
work energy and power
class-11
jee
kinematics
centre of mass
jee mains
nuclear physics
+1
vote
1
answer
A particle moves along the X-axis as x = u(t – 2 *)+ a(t – 2 *)^2. (a) the initial velocity of the particle is u
asked
Mar 26, 2019
in
JEE
by
kratos
forces
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+1
vote
1
answer
A man of 50 kg mass is standing in a gravity free space at a height of 10 m above the floor.
asked
Mar 25, 2019
in
Class 12
by
kratos
neet
forces
class-11
aiims
kinematics
gravitation
+3
votes
1
answer
A particle has initial velocity, v = 3i + 4j and a constant force F = 4i - 3j acts on the particle. The path of the particle is :
asked
Mar 24, 2019
in
Class 12
by
kratos
neet
forces
vector algebra
class-11
jee
kinematics
jee mains
vector
motion in a plane
+1
vote
1
answer
A spring of weight W and force constant k is suspended in a horizontal position by two light strings attached to its two ends.
asked
Mar 23, 2019
in
Class 11
by
kratos
class-11
forces
kinematics
+2
votes
1
answer
A particle is moving in xy plane. Its velocity and acceleration at any certain instant is given by vector v = 3i + 4j m/*
asked
Mar 21, 2019
in
Class 12
by
kratos
neet
forces
jee main 2020
class-11
jee
vectors
kinematics
jee mains
motion in a plane
+1
vote
1
answer
A block is placed at the bottom of an inclined plane and projected upwards with some initial speed.
asked
Mar 21, 2019
in
Class 11
by
kratos
class-11
forces
kinematics
+3
votes
1
answer
How many times in one vibration, KE and PE become maximum?
asked
Mar 20, 2019
in
JEE
by
kratos
waves
forces
cbse
oscillations
class-11
jee
kinematics
jee mains
class-12
+1
vote
1
answer
A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible.
asked
Mar 20, 2019
in
JEE
by
kratos
dynamics
forces
class-11
jee
kinematics
jee mains
+2
votes
1
answer
Two particles P and Q start their journey simultaneously from point A. P moves along a smooth horizontal wire AB.
asked
Mar 19, 2019
in
JEE
by
kratos
dynamics
forces
class-11
jee
kinematics
jee mains
motion in a plane
+3
votes
1
answer
A block rests on a rough floor. A horizontal force which increases linearly with time (t),
asked
Mar 16, 2019
in
Class 11
by
kratos
class-11
forces
kinematics
+3
votes
1
answer
A polyster fibre rope of diameter 3 cm has a breaking strength of 150 kN. If it is required to have 600 kN breaking strength.
asked
Mar 16, 2019
in
JEE
by
kratos
forces
statics
class-11
jee
strength of materials
kinematics
jee mains
+2
votes
1
answer
Find the reading of the spring balance (mass less)
asked
Mar 15, 2019
in
JEE
by
kratos
dynamics
forces
class-11
jee
kinematics
jee mains
laws of motion
+1
vote
1
answer
In the figure shown, blocks P and Q are in contact but do not stick to each other. The lower face of P behaves as a plane mirror.
asked
Mar 15, 2019
in
Class 12
by
kratos
neet
forces
class-11
jee
aiims
mechanics
kinematics
jee mains
laws of motion
+3
votes
1
answer
A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d/2.
asked
Mar 13, 2019
in
JEE
by
kratos
forces
class-11
jee
kinematics
jee mains
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