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Athang Satav
Subject: Physics
, asked on 7/12/17
Q. A block is dragged on a smooth plane with the help of a rope which moves with a velocity v as shown in figure. What is the horizontal velocity of the block?
Answer
2
Kingsmen
Subject: Physics
, asked on 27/10/17
Q A ball of mass m strikes a rigid wall with speed v and gets reflected without any loss Of speed as shown in the figure.
(a) What is the magnitude of the impulse imparted to the ball by the wall?
(b) What is the direction of the force on the wall due to the ball?
Answer
1
Nidhi Pandit
Subject: Physics
, asked on 1/10/15
A body of mass m1 collides elastically with another body of mass m2 at rest after collision the velocity of m1 becomes 3/4 times the initial velocity .Find the ratio of their masses??????????????
Answer
2
Siddhant M
Subject: Physics
, asked on 15/3/16
what do you mean by couple? state and explain its properties.
Answer
4
Kr Meritnation
Subject: Physics
, asked on 8/12/16
4 A bead of mass m is located on a parabolic wire with its axis vertical and vertex directed towards downward as in figure and whose equation
is x² = ay. If the coefficient of friction is µ, the highest distance above
the x-axis at which the particle will be in equilibrium is
(a) µa (b) µ²a (c)1/4 µ^2 g (d)1/2µ^ g
Answer
1
Harshad Bharat Bhere
Subject: Physics
, asked on 29/10/17
Q.73 Plz answer this
73. In the figure shown m
1
=
1 kg, m
2
= 2 kg, pulley is ideal. At t = 0, both masses touches the ground and
string is taut. A force F = 2t is applied to pulley (t is in second) then m
1
is lifted off the ground at time
(g = 10 m/s
2
)
(l) 5 s (2) 12 s
(3) 10 s (4) 15 s
Q.73
Plz answer this
Answer
8
Pratik Jogad
Subject: Physics
, asked on 2/12/14
A uniform wooden plank 5 mlong and weighing 40 kgis resting on two supports 0.5m from each end A boy weighing 45 kg stands 1.5 m from one end of wooden plank . Find the reaction at the supports.
Answer
1
Milind
Subject: Physics
, asked on 3/1/15
A bar of 2.0m long makes an angle of 30degree with the horizontal.A vertical force of 40N is applied 0.4m from the upper end.Calculate the Torque due to this force about each end.
Answer
1
Yugandhar
Subject: Physics
, asked on 22/7/16
a body of mass 5kg is kept of a rough horizontal surface .it is found that body does not slide if horizontal force is less than 30N is applied on it also it is found that it takes 5 seconds to slide throughout the first 10 m if a horizontal force of 30 N is applied and body is gently pushed to start mottion calculate coefficients of static and kinetic friction between block and surface
Answer
13
Dakshita
Subject: Physics
, asked on 6/8/19
Please help me with this question's solution
Answer
1
Pratik Jogad
Subject: Physics
, asked on 2/12/14
A 15 m ladder weighing 50 kg rests against a smooth wall at a point 12 m above the ground . The centre of gravity of the ladder is one third the way up . A80 kg man climbs half way up the ladder . find the forces exerted by the system on the ground and the wal
Answer
1
Yashraj Rameshwar Wawkar
Subject: Physics
, asked on 14/8/17
the pull P is just sufficient to keep the 14N block in equillibrium as shown. pulleys are ideal. find the tension (in N) in the upper-cable connected with ceiling,
Answer
3
Saurav
Subject: Physics
, asked on 16/7/16
The figure shows a smooth circular path of radius R in a Vertical plane which Subtends an angle of Pie/2 at O. A block of mass M is taken from position A to B under the action of constant horizontal force F.
(a)
Find the work done by this Force.
(b)
In part (a)
,
if the block is being pulled by a force F of constant magnitude which is always tangential to the surface, find the work done by the force F between A and B.
Answer
2
Himanshu
Subject: Physics
, asked on 20/9/17
Q. Find acceleration of block B in the system
(b)
Answer
1
Anushka .
Subject: Physics
, asked on 1/10/17
Solve this:
A train has 10 wagons each of mass 1000 kg attached to it. They are being pulled by force 10
4
N. Find out force exerted on last four wagon
1
4
×
10
3
N
(
2
)
4
×
10
4
N
(
3
)
5
×
10
4
N
4
5
×
10
3
N
Answer
2
1
2
3
4
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What are you looking for?
Q A ball of mass m strikes a rigid wall with speed v and gets reflected without any loss Of speed as shown in the figure.
(a) What is the magnitude of the impulse imparted to the ball by the wall?
(b) What is the direction of the force on the wall due to the ball?
is x² = ay. If the coefficient of friction is µ, the highest distance above
the x-axis at which the particle will be in equilibrium is
(a) µa (b) µ²a (c)1/4 µ^2 g (d)1/2µ^ g
73. In the figure shown m1= 1 kg, m2 = 2 kg, pulley is ideal. At t = 0, both masses touches the ground and
(l) 5 s (2) 12 s
Plz answer this
(b)
A train has 10 wagons each of mass 1000 kg attached to it. They are being pulled by force 104 N. Find out force exerted on last four wagon