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Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].

2 votes
3 answers
1k views

Force due to surface tension in calculation of excess pressure inside a liquid drop

In the case of equilibrium of hemispherical drop, what i know is that the surface tension is responsible for holding the hemispherical drop with the other hemisphere thus forming a spherical drop and …
Vivek karunakaran's user avatar
2 votes
0 answers
45 views

Find the point at which they separate in an SHM? [closed]

In the given problem, I can understand that after placing the two blocks in equilibrium it oscillates with an amplitude, $$A=\frac{2}{k}(m_1+m_2)g\sin\phi$$ The answer for (b) is given as $$\frac …
Vivek karunakaran's user avatar
-3 votes
1 answer
49 views

If every object could give an equal and opposite force to what we apply then why do the obje... [duplicate]

If I push a block on a frictionless surface with enough force, it begins to move. Shouldn't it be standing still if it exerts an equal force on me as per 3rd law?
Vivek karunakaran's user avatar
1 vote
1 answer
331 views

Acceleration while climbing a rope

Consider a man hanging on a rope. If weight of the body is the maximum force one can apply on a rope, where does the additional force that accelerates the man upwards come from and thus increasing the …
Vivek karunakaran's user avatar
0 votes
1 answer
53 views

How does this system accelerate? [closed]

Suppose m1= 1kg, m2= 2kg, m3= 3kg Then what could be the acceleration?
Vivek karunakaran's user avatar