What is the tension in the rope while the bucket is falling? Take the free fall acceleration to be g= 9.80 m/s. A bucket of water of mass 15.8 kg is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.260 m with mass 11.3 kg. The cylinder pivots on a frictionless axle through its center. The bucket is released from rest at the top of a well and falls a distance 10.9 m to the water, You can μν ΑΣφ ignore the weight of the rope. N Submit Request Answer Part B With what speed does the bucket strike the water? Take the free fall acceleration to be g= 9.80 m/s. mis Submit Request Answer Part C What is the time of fall? Take the free fall acceleration to be g= 9.80 m/s. Submit Request Answer Part D While the bucket is falling, what is the force exerted on the cylinder by the axde? Take the free fall acceleration to be g9.80 m/s. VO AX
Angular Momentum
The momentum of an object is given by multiplying its mass and velocity. Momentum is a property of any object that moves with mass. The only difference between angular momentum and linear momentum is that angular momentum deals with moving or spinning objects. A moving particle's linear momentum can be thought of as a measure of its linear motion. The force is proportional to the rate of change of linear momentum. Angular momentum is always directly proportional to mass. In rotational motion, the concept of angular momentum is often used. Since it is a conserved quantity—the total angular momentum of a closed system remains constant—it is a significant quantity in physics. To understand the concept of angular momentum first we need to understand a rigid body and its movement, a position vector that is used to specify the position of particles in space. A rigid body possesses motion it may be linear or rotational. Rotational motion plays important role in angular momentum.
Moment of a Force
The idea of moments is an important concept in physics. It arises from the fact that distance often plays an important part in the interaction of, or in determining the impact of forces on bodies. Moments are often described by their order [first, second, or higher order] based on the power to which the distance has to be raised to understand the phenomenon. Of particular note are the second-order moment of mass (Moment of Inertia) and moments of force.
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