2. A chemist analyzed a rectangular block and found that it was hard, solid, malleable and shiny. The block could be made of *

Q: A cubical box is filled with sand and weighs 829 N. As in the figure, a horizontal force F is…

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Q: If the beam attached to a hinge is 4 meters long and weighs 600 Newtons, and the sign weighs 400…

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Q: A car travels 65,000 miles before the tread on its tires wears out. What depth of rubber is lost…

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Q: Bob and Steve are building a see-saw and want it to balance when they both sit on the ends, but Bob…

A: Given : Weight of Bob is twice as Steve  Find : Where would the fulcrum have to be positioned for…

Q: A student of mass 64 kg wants to walk beyond the edge of a cliff on a heavy beam of mass 380 kg and…

A: Given Mass of student M1 = 64 kg Mass of heavy beam M2 = 380 kg length of beam l = x1 = 7 m as…

Q: 6. The Earth has a mass of 5.97 * 1044 kg and the Sun has a mass of 2.00 * 1030 kg. If they are…

A: Given value--- mass of earth = 5.97 × 1024 kg. mass of sun = 2 × 1030 kg. separation = 1.5 × 108…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.10 g coins…

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Q: Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as…

A: It is required to draw the free body diagram and the torque diagram of the system.

Q: Marc, Paul, and David all apply forces to a pendulum consisting of a rigid rod. Marc applies a force…

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Q: Much of the time and expense in drilling an oil well goes into changing the drill bit as it wears…

A: a. How much work is done in lifting the pipe the length of one section. b. what is the power…

Q: In the two-member assembly shown, find the axial force in rod (1) if P-14.5 kips. 8A O 12.91 kips O…

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Q: A fulcrum is placed at the 30 cm mark of a meter stick. If a 460 gram mass must be placed at the 20…

A: Consider the mass of the meterstick be m, the mass of the placed-mass be m1, the weight of the…

Q: I'm not sure where to start with this problem. My first instinct is to do a moment balance at one of…

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Q: A 39.4 g mouse has gotten into a peculiar situation. Somehow, the mouse has found itself hanging off…

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Q: In a physics experiment, a metal bar is balanced on a fulcrum. A 5.0 kg mass is placed on the bar,…

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Q: A steering wheel is rotated through 120 degrees and has a radius of 44 cm. How far would a point on…

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Q: Three particles of mass 2 kg, 3 kg, and 3 kg are welded to a bar with negligible mass as shown in…

A: Step 1: To find the center of mass of the system of three particles, we need to use the formula for…

Q: A 5 kg disk with a radius of 6 cm is rolling on a level surface with a velocity of 7 m/s. What is…

A: mass of disk = 5 kg radius = 6 cm v = 7 m/s

Q: The product of the applied torque and the length determines the relative angle of twist between the…

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Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.15 kg and radius R = 0.15 m) and a…

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Q: Consider a see-saw of total length 5.40m balanced at its center of mass, with a child of mass…

A: Draw the free-body diagram of the system.

Q: What is the torque that you would exert on a door if you applied a force of 75 N perpendicular to…

A: Force F = 75 NMoment Arm (R) = 37 cm  = 0.37 m

Q: If mass of box is 50 kg,force P =100 N, and coefficient of friction=0.4,Does the box will tip or…

A: Given data:Mass of the box (m): 50 kgForce (P): 100 NCoefficient of friction (μ): 0.4Angle (θ):…

Q: A bolt is turned by a force of 51 N which is applied perpendicularly at the end of the handle of a…

A: Given data The force applied to the nut is given as F = 51 N. The length of the wrench is given as…

Q: A 300N child sits on the left side of a see-saw 1.5m from the center. Where should a 375N be placed…

A: Given, F1=300 N r1=1.5m F2=375 N Let r2 be the distance where 375 N is placed.

Q: If a mass of 23 kg acts downward 0.3 m from the axis of rotation on one end of a board and another…

A: Given information: Mass m=23 kg. Distance of mass from the axis of rotation r2=0.3 m. Force F=82.5…

Q: Corsider vectas A- 3ut 2+67 and B- Bxî- 189-3û. Bx is unknown. If the z- component of The vector A…

A:

Q: A minimum force of P 56 lb is required to hold the cylinder from slipping against the belt and the…

A: Solution :-

Q: A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 50.0-gram…

A:

Q: The angular frequency of the hours hand on a wall clock in rad/sec is

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Q: A Solid unitrm-densing disk of radius R and mass Mä is piUOted at the edge. Tt is inthally at nest,…

A: The angular velocity of the disk immediately after the collision. given, Radius of disk=Rmass of of…

Q: Obtain the expression for the rotational kinetic energy of the molecule.

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Q: A medical technician uses a pair of 0.125m long tweezers to remove a wood sliver from a patient. The…

A: What is the mechanical advantage?

Q: One way to get the rim of a cart wheel to fit tightly on the wheel is to make the rim a bit smaller…

A: The radius of the iron rim is slightly smaller than the radius of the cartwheel made up of wood.

Q: Given 10 cc of lead, find how to form it into a solid of revolution of height 1 cm and minimum…

A: Given: The lead is 10 cc with the height of 1 cm.

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics. 

Equilibrium of Forces

The tension created on one body during push or pull is known as force.