A stepladder consists of two halves that are hinged at the top and connected by a tie rod which ...
[html]A stepladder consists of two halves that are hinged at the top and connected by a tie rod which keeps the two halves from spreading apart. In this particular instance, the two halves are 2.5 m long, the tie rod is connected to the center of eac
In the figure, a uniform ladder of weight 200 N and length 10 m leans against a perfectly smooth ...
[html]In the figure, a uniform ladder of weight 200 N and length 10 m leans against a perfectly smooth wall. A firefighter of weight 600 N climbs a distance x up the ladder. The coefficient of static friction
A 100-kg nonuniform boom that is 6.0 m long is loosely pinned at the pivot at P. A 600-kg concrete ...
[html]A 100-kg nonuniform boom that is 6.0 m long is loosely pinned at the pivot at P. A 600-kg concrete block is suspended from the end of the boom at A, as shown in the figure. The boom forms a 30° angle above the horizontal, and is supported by a
A 40-kg uniform ladder that is 5.0 m long is placed against a smooth wall at a height of h = 4.0 m, ...
[html]A 40-kg uniform ladder that is 5.0 m long is placed against a smooth wall at a height of h = 4.0 m, as shown in the figure. The base of the ladder rests on a rough horizontal surface whose coefficient of
A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at ...
[html]A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as sh
A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at ...
[html]A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as sh
An athlete holds a 7.5-kg shot put in his hand with his lower arm horizontal, as shown in the ...
[html]An athlete holds a 7.5-kg shot put in his hand with his lower arm horizontal, as shown in the figure. His lower arm has a mass of 2.8 kg and its center of gravity (or center of mass) is 12 cm from the elbow-joint pivot. How much force must the
A mobile is shown in the figure. The horizontal supports have negligible mass. Assume that all the ...
[html]A mobile is shown in the figure. The horizontal supports have negligible mass. Assume that all the numbers given in the figure are accurate to two significant figures. What mass M is required to balance
The mobile shown in the figure is perfectly balanced, and the horizontal supports have insignificant ...
[html]The mobile shown in the figure is perfectly balanced, and the horizontal supports have insignificant masses. What must be the masses of the suspended objects m1,
A uniform rod weighs 40 N and is 1.0 m long. It is hinged to a wall at the left end, and held in a ...
[html]A uniform rod weighs 40 N and is 1.0 m long. It is hinged to a wall at the left end, and held in a horizontal position at the right end by a vertical string of negligible weight, as shown in the figure. What is the magnitude of the torque due t
A child is trying to stack two uniform bricks, each 24 cm long, so they will protrude as far as ...
[html]A child is trying to stack two uniform bricks, each 24 cm long, so they will protrude as far as possible over the edge of a table without tipping over, as shown in the figure. What is the maximum possible overhang distance
A uniform ladder 12 meters long rests against a vertical frictionless wall, as shown in the figure. ...
[html]A uniform ladder 12 meters long rests against a vertical frictionless wall, as shown in the figure. The ladder weighs 400 N and makes an angle θ = 51° with the floor. A man weighing 874 N climbs slowly
As shown in the figure, a 10.0 m long bar is attached by a frictionless hinge to a wall and held ...
[html]As shown in the figure, a 10.0 m long bar is attached by a frictionless hinge to a wall and held horizontal by a light rope that makes an angle θ = 49° with the bar. The bar is uniform and weighs
As shown in the figure, a uniform rectangular crate 0.40 m wide and 1.0 m tall sits on a horizontal ...
[html]As shown in the figure, a uniform rectangular crate 0.40 m wide and 1.0 m tall sits on a horizontal surface. The crate weighs 460 N, and its center of gravity is at its geometric center. A horizontal force of magnitude
A uniform 1200-N piece of medical apparatus that is 3.5 m long is suspended horizontally by two ...
[html]A uniform 1200-N piece of medical apparatus that is 3.5 m long is suspended horizontally by two vertical wires at its ends. A small but dense 550-N weight is placed on the apparatus 2.0 m from one end, as shown in the figure. What are the tensi
An 82-kg diver stands at the edge of a light 5.0-m diving board, which is supported by two vertical ...
[html]An 82-kg diver stands at the edge of a light 5.0-m diving board, which is supported by two vertical pillars that are 1.6 m apart, as shown in the figure. Find the magnitude and direction of the force exerted by each pillar.
The graph in the figure shows the tensile stress as a function of the tensile strain in a certain ...
[html]The graph in the figure shows the tensile stress as a function of the tensile strain in a certain wire. What does the slope of this graph give us for this wire?
A croquet mallet balances when suspended from its center of mass, as shown in the left part of the ...
[html]A croquet mallet balances when suspended from its center of mass, as shown in the left part of the figure. If you cut the mallet into two pieces at its center of mass, as shown in the right part of the figure, how do the masses of the two piece
As shown in the figure, a 35.30-kg box is attached to a light string that is wrapped around a ...
[html]As shown in the figure, a 35.30-kg box is attached to a light string that is wrapped around a cylindrical frictionless spool of radius 10.0 cm and moment of inertia 4.00 kg ∙ m2. The spool is suspende
The rotating systems shown in the figure differ only in that the two identical movable masses are ...
[html]The rotating systems shown in the figure differ only in that the two identical movable masses are positioned a distance r from the axis of rotation (left), or a distance
A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as ...
[html]A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as shown in the cross-sectional view in the figure. A rope wrapped around the outer radius R
A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as ...
[html]A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as shown in the cross-sectional view in the figure. A rope wrapped around the outer radius R
A uniform rod is 2.0 m long. It is hinged to a wall at its left end, and held in a horizontal ...
[html]A uniform rod is 2.0 m long. It is hinged to a wall at its left end, and held in a horizontal position at its right end by a vertical very light string, as shown in the figure. What is the angular acceleration of the rod at the moment after the
A cinder block of mass m = 4.0 kg is hung from a nylon string that is wrapped around a frictionless ...
[html]A cinder block of mass m = 4.0 kg is hung from a nylon string that is wrapped around a frictionless pulley having the shape of a cylindrical shell, as shown in the figure. If the cinder block accelerates
A uniform, solid, 100-kg cylinder with a diameter of 1.0 m is mounted so it is free to rotate about ...
[html]A uniform, solid, 100-kg cylinder with a diameter of 1.0 m is mounted so it is free to rotate about fixed, horizontal, frictionless axis that passes through the centers of its circular ends. A 10-kg block is hung from a very light thin cord wra
The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg m2about an ...
[html]The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2about an axis perpendicular to it through its center. The frictional torque at the drum axle is 3.0 N ∙ m. A 14-m length of rope is wound aroun
The figure shows a person's foot. In that figure, the Achilles tendon exerts a force of magnitude F ...
[html]The figure shows a person's foot. In that figure, the Achilles tendon exerts a force of magnitude F = 720 N. What is the magnitude of the torque that this force produces about the ankle joint?
In the figure, a weightlifter's barbell consists of two identical small but dense spherical ...
[html]In the figure, a weightlifter's barbell consists of two identical small but dense spherical weights, each of mass 50 kg. These weights are connected by a thin 0.96-m rod with a mass of 24 kg. Find the moment of inertia of the barbell through th
The L-shaped object shown in the figure consists of three small masses connected by thin uniform ...
[html]The L-shaped object shown in the figure consists of three small masses connected by thin uniform rods, each rod of mass 3.00 kg. Assume that the masses shown are accurate to three significant figures. What is the moment of inertia of this objec
The L-shaped object shown in the figure consists of three small masses connected by extremely light ...
[html]The L-shaped object shown in the figure consists of three small masses connected by extremely light rods. Assume that the masses shown are accurate to three significant figures. What is the moment of inertia of this object (a) about the
In the figure, point P is on the rim of a wheel of radius 2.0 m. At time t = 0, the wheel is at ...
[html]In the figure, point P is on the rim of a wheel of radius 2.0 m. At time t = 0, the wheel is at rest, and P is on the x-axis. The wheel undergoes a uniform counte
Three balls are moving along a straight line having the instantaneous positions shown in the figure. ...
[html]Three balls are moving along a straight line having the instantaneous positions shown in the figure. At that instant, find the location and velocity of the center
As shown in the figure, a 60-cm length of uniform wire, of mass 60 g, is bent into a right triangle. ...
[html]As shown in the figure, a 60-cm length of uniform wire, of mass 60 g, is bent into a right triangle. What are the x and y coordinates of the center of mass (or ce
In the figure, four point masses are placed as shown. Assume that all the numbers in the figure are ...
[html]In the figure, four point masses are placed as shown. Assume that all the numbers in the figure are accurate to two significant figures. What are the x and y coor
