An athlete trains while running harnessed to a tire that weighs 245 N. The athlete runs...
An athlete trains while running harnessed to a tire that weighs 245 N. The athlete runs at a steady speed of 3.50 m/s. The angle the cable makes with the horizontal is θ = 31.0◦ while the tension in the cable is 202 N. The force of friction acting on the tire is (in N)?
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An athlete trains while running harnessed to a tire that weighs
245 N. The athlete runs...
The figure below shows a bird feeder that weighs 177.1 N. The feeder is supported by...
The figure below shows a bird feeder that weighs 177.1 N. The feeder is supported by a vertical cable, which is in turn tied to two cables, each of which is attached to a horizontal post. The left cable makes a 60° angle with the post, while the right cable makes a 30° angle. What is the tension in each cable (in N)? 60° 30° Bird food left cable z z right cable bottom cable z Need Help? Read It
The figure below shows a human arm that weighs 39.3 N. The arm is extended outward...
The figure below shows a human arm that weighs 39.3 N. The arm
is extended outward and is motionless. The gravitational force
Fg
on the arm acts at point A, a distance of 0.290 m from
the shoulder joint, which is represented by point O. The
shoulder pushes down and to the right on the humerus bone of the
arm with a force
Fs
at point O, at an angle θ as shown. The
deltoid muscle pulls back on the...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
Question 16 1 pts A 50-kg block is at rest on a 150 slope. A force...
Question 16 1 pts A 50-kg block is at rest on a 150 slope. A force of 250 N is acting on the block up the slope parallel to it. If the block does not slide up the slope, what is the minimum value of the coefficient of static friction between the block and the slope? 0.528 0.566 O 0.510 O 0.260 Question 17 1 pts A force of 50-N directed 30° above the horizontal is applied to a 10-kg...
question 2-4 please 1. Two boxes are connected by a light cord, which runs over a...
question 2-4 please
1. Two boxes are connected by a light cord, which runs over a below. The coefficient of friction is 0.54. mi = 5 kg and m2 4 kg. a) Find the acceleration of the system. b) Find the tension in the cord (2 pts.) pulley. See fig. m2 2. The 3.5 kg mass on the incline frictionless plane shown below moves upwards under the action of a force of 18.08N parallel to the surface. The force acts...
Tarzan, who weighs 866 N, swings from a cliff at the end of a 16.0 m...
Tarzan, who weighs 866 N, swings from a cliff at the end of a 16.0 m vine that hangs from a high tree limb and initially makes an angle of 24.3° with the vertical. Assume that an x axis points horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 789 N. Just then, what are (a) the force from the vine on Tarzan in...
A: An inverted "V" is made of uniform boards and weighs 191 N. Each side has...
A: An inverted "V" is made of uniform boards and weighs 191 N. Each side has the same length and makes a 30.0° angle with the vertical, as the drawing shows. Find the magnitude of the static frictional force that acts on the lower end of each leg of the "V." B: A small 0.542-kg object moves on a frictionless horizontal table in a circular path of radius 1.31 m. The angular speed is 6.33 rad/s. The object is attached...
Question 18 1pts Aweight of 5000 N is suspended by two cables. The object is at...
Question 18 1pts Aweight of 5000 N is suspended by two cables. The object is at rest. The first cable is horizontal and the second makes an angle of 143 with the first cable. Find the tension of the second cable. 5000 N 6740 N 8310N 9340N What is the smallest value of the force that must be applied to prevent the 3.0-kg block in the diagram below from sliding down the wall? F 3 kg 0.6 440.4 5 N...
A hungry bear weighing 735 N walks out on a beam in an attempt to retrieve...
A hungry bear weighing 735 N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam (see the figure below). The beam is uniform, weighs 200 N, and is 6.50 m long, and it is supported by a wire at an angle of θ = 60.0°. The basket weighs 80.0 N. A horizontal plank is attached at the left end to a vertical wall. A rod with a pulley...
The figure below shows a bird feeder that weighs 177.1 N. The feeder is supported by a vertical cable, which is in turn tied to two cables, each of which is attached to a horizontal post. The left cable makes a 60° angle with the post, while the right cable makes a 30° angle. What is the tension in each cable (in N)? 60° 30° Bird food left cable z z right cable bottom cable z Need Help? Read It
The figure below shows a human arm that weighs 39.3 N. The arm
is extended outward and is motionless. The gravitational force
Fg
on the arm acts at point A, a distance of 0.290 m from
the shoulder joint, which is represented by point O. The
shoulder pushes down and to the right on the humerus bone of the
arm with a force
Fs
at point O, at an angle θ as shown. The
deltoid muscle pulls back on the...
Question 16 1 pts A 50-kg block is at rest on a 150 slope. A force of 250 N is acting on the block up the slope parallel to it. If the block does not slide up the slope, what is the minimum value of the coefficient of static friction between the block and the slope? 0.528 0.566 O 0.510 O 0.260 Question 17 1 pts A force of 50-N directed 30° above the horizontal is applied to a 10-kg...
question 2-4 please
1. Two boxes are connected by a light cord, which runs over a below. The coefficient of friction is 0.54. mi = 5 kg and m2 4 kg. a) Find the acceleration of the system. b) Find the tension in the cord (2 pts.) pulley. See fig. m2 2. The 3.5 kg mass on the incline frictionless plane shown below moves upwards under the action of a force of 18.08N parallel to the surface. The force acts...
Question 18 1pts Aweight of 5000 N is suspended by two cables. The object is at rest. The first cable is horizontal and the second makes an angle of 143 with the first cable. Find the tension of the second cable. 5000 N 6740 N 8310N 9340N What is the smallest value of the force that must be applied to prevent the 3.0-kg block in the diagram below from sliding down the wall? F 3 kg 0.6 440.4 5 N...
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