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Sia ? 6 years, 3 months ago
Here,
Mass, m = 500 kg
Inclination of the inclined plane, θ = 30o
Distance traveled along the plane, s = 140 cm = 1.4 m
AB = s = 1.4 m
AC = AB sinθ = (1.4)(sin 30) = (1.4)(1/2) = 0.7 m
Considering C to be the reference level, the potential energy at A is = mg(AC)
This energy is converted into kinetic energy at B = ½ mv2
[since, C is the reference level, the potential energy at C is zero]
So, by energy conservation,
mg(AC) = ½ mv2
{tex}\Rightarrow{/tex} (9.8)(0.7) = ½ v2
{tex}\Rightarrow{/tex}v = 3.7 m/s
This is the velocity at the bottom of the plane.
Posted by Mohd Sadique Khan 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
Newton’s third law of motion states that
In any interaction between two bodies , force applied by the first body on the second is equal and opposite to the force applied by the second body on the first.
Examples:
- When a man jumps from a boat to the shore, the boat moves away from him. The force he exerts on the boat (action) is responsible for its motion and his motion to the shore is due to the force of reaction exerted by the boat on him.
- If you hit the wall with your fist, the wall also hits your fist with the same force , which you feel.
Posted by Mohd Suhail 6 years, 3 months ago
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Sia ? 6 years, 3 months ago
A projectile is an object upon which the only force is gravity. Gravity acts to influence the vertical motion of the projectile, thus causing a vertical acceleration. The horizontal motion of the projectile is the result of the tendency of any object in motion to remain in motion at constant velocity.
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Sia ? 6 years, 3 months ago
The truth of the conclusions of an argument does not determine whether the argument is a fallacy - it is the argument which is fallacious. The Greek thinker Aristotle held the view that if a body is moving, some external force is required to keep it moving. This is called Aristotle's Fallacy.
Shivankar Anand 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
In mechanics, a constraint algorithm is a method for satisfying constraints for bodies that obey Newton's equations of motion. There are three basic approaches to satisfying such constraints: choosing novel unconstrained coordinates ("internal coordinates"), introducing explicit constraint forces, and minimizing constraint forces implicitly by the technique of projection methods.
Constraint algorithms are often applied to molecular dynamics simulations. Although such simulations are sometimes carried out in internal coordinates that automatically satisfy the bond-length and bond-angle constraints, they may also be carried out with explicit or implicit constraint forces for the bond lengths and bond angles. Explicit constraint forces typically shorten the time-step significantly, making the simulation less efficient computationally; in other words, more computer power is required to compute a trajectory of a given length. Therefore, internal coordinates and implicit-force constraint solvers are generally preferred.
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Yogita Ingle 6 years, 3 months ago
Consider a particle moving with uniform angular velocity co along a circular path of radius r.
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Yogita Ingle 6 years, 3 months ago
Consider a particle moving with uniform angular velocity co along a circular path of radius r.
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Arun Kumar 6 years, 3 months ago
6Thank You