What is the initial setup described in the problem regarding the rope and the force applied?

Momentum and Forces in Ropes

Interactive Video
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Physics, Mathematics, Science
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9th - 10th Grade
•
Hard

Patricia Brown
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rope is being pulled upwards by a crane.
A rope is resting on rough ground and pulled by an external force.
A rope is being pushed on a smooth surface.
A rope is hanging vertically with no force applied.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass per unit length of the rope referred to as in the problem?
Sigma
Lambda
Delta
Mu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What assumption is made about the sliding of the rope on the ground?
The rope is fixed at one end.
The rope is sliding with friction.
There is no sliding of the rope on the ground.
The rope slides freely on the ground.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the uniform speed 'v' in the context of the problem?
It indicates the rope is accelerating.
It shows the rope is moving in a circular path.
It implies the rope is stationary.
It means the force is not causing acceleration.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the force applied at end 'ay' ensure about the movement of the rope?
The rope moves uniformly at speed v.
The rope moves in a circular path.
The rope moves at a non-uniform speed.
The rope remains stationary.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the momentum gained by the elemental mass of the rope calculated?
By multiplying lambda with the square of speed.
By dividing the force by time.
By multiplying lambda, dx, and speed v.
By adding lambda and speed v.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the displacement of point 'ay' and 'dx'?
Displacement of 'ay' is twice of 'dx'.
Displacement of 'ay' is equal to 'dx'.
Displacement of 'ay' is three times 'dx'.
Displacement of 'ay' is half of 'dx'.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the external force in the context of the problem?
To keep the rope stationary.
To impart momentum to the moving part of the rope.
To decrease the speed of the rope.
To accelerate the rope.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final expression for the power supplied by the external force?
Half lambda v cubed
Lambda v squared
Lambda v cubed
Half lambda v squared
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