A woman of mass m = 53.3 kg sits on the left end of a seesaw—a plank of length L = 3.96 m—pivoted in the middle as shown in the figure. (a) First compute the torques on the seesaw about an axis that passes through the pivot point. Where should a man of mass M = 66.4 kg sit if the system (seesaw plus man and woman) is to be balanced?

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Q: The length of a bicycle pedal arm is 0.165 m, and a downward force of 149 N is applied to the pedal…

A: Length of pedal arm is Applied force is Angle between pedal arm and force iscase(a) case(b) case(c):…

Q: A meter stick (a uniform thin rod of length 1.0 m and mass 0.30 kg) is placed on a fulcrum at the 61…

A: Let l denotes the meterstick length, m denotes the meterstick mass, r denotes the pivot distance, x…

Q: A meter stick (a uniform thin rod of length 1.0 m and mass 0.33 kg) is placed on a fulcrum at the 68…

A: Length of meter stick = 1 m mass of meter stick = 0.33 kg location of center of mass of stick = 0.5…

Q: hen you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

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Q: (a) A man applies a force of F = 3.00 × 102 N at an angle of 60.0° to a door, x = 2.20 m from the…

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Q: A bicycle wheel can be thought of a uniform hoop with a radius of 34 cm and mass 1.9 kg. Consider…

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Q: The length of a bicycle pedal arm is 0.144 m, and a downward force of 141 N is applied to the pedal…

A: Torque=rFsinθ r is length of bicycle=0.144m Force=141N θ is angle between r and F θ=47.8°…

Q: A wheel of diameter 58 cm has an axel of diameter 8.8 cm. A force 180 N is exerted along the rim of…

A: Given data D=58 cmd=8.8 cmF=80 N Here, D is the diameter of the wheel. While d is the diameter of…

Q: A sign for a pizza restaurant hangs from a 2.60-m long rod extended out from a building. A cable,…

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Q: Below is a system with two masses on a scale.  You hung a m1 = 99 g mass on the left.  The distance…

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Q: 8) A 740 N person stands on the high end of a ramp that's tilted up at 35° from due East, 3.1 m…

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Q: in 9.5 s. Find the net external torque that acts on each wheel.

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Q: A wrench 20 cm long lies along the positive y-axis and grips a bolt at the origin. A force is…

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Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

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Q: (a) The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the…

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Q: A box with mass 10 kg and a box with mass 15 kg are placed at the left and the right end of a…

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Q: A worker opens a 1.35 m wide door by pushing on it with a force of 57.5 N directed perpendicular to…

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Q: Three forces are applied to a wheel of radius 0.350 m, as shown in the figure (Figure 1). One force…

A: Magnitude of net torque on the wheel due to forces is 0.3096N.mExplanation:Step 1:Step 2:

Q: The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender…

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Q: A ball with a weight of 50 N is attached to the end of a lightweight rod at (x, y) = (4 m, 3 m),…

A: The force is F=50 N The distance at which force acts is r. r=4-02+3-02r2=4-02+3-02r2=25 m2r=5 m

Q: CurrentAtemptmProgiess The figure shows a lower leg being exercised. It has a 49-N weight attached…

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Q: A mechanic applies a force of magnitude 340 N perpendicular to a wrench to lo a bolt. Calculate the…

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Q: Exercise 8.3 Hints: Getting Started | I'm Stuck Suppose a 27.2 kg child sits 1.82 m to the left of…

A: Length of the see saw = L = 4.92m Mass of the first child = m1=27.2 kg Mass of the second child = m2…

Q: The figure shows a lower leg being exercised. It has a 49-N weight attached to the foot and is…

A:

Q: A horizontal beam of length 6 m and mass 3.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the…

A: Torque due to gravity Note: subscript 1 and 2 denote block and beam respectively.…

Q: One person was doing a knee extensor muscle training, he used a dumbbell (mass = 10.2 kg) strapped…

A: Please see the explanation for the answer. If you have any questions, just comment down. Thank…

Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

A:

Q: When tightening a bolt, you push perpendicularly on a wrench with a force of 166 N at a distance of…

A: Given data:  Angle (θ) = 90°, perpendicularly Force (F) = 166 N Distance (r) = 0.140 m Required: The…

Q: A uniform plank of length 5 m and weight 200 N rests horizontally on two supports with 1.1 m of the…

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Q: At what position (measured from the 0 cm end of the meter stick) should a 0.22 kg mass be hung to…

A: Answer is 61 cm from 0 cm mark . Explanation   with answer is in next step.

Q: A flagpole has a uniform mass density and total mass of M and length L. It is hinged at the ground…

A: Answer

Q: Three forces are acting on a bar of length 3.5 m. ?1has a magnitude of 11 N and acts on the end of…

A: Total length of bar=3.5 m F1=11 N l1=3.5 m θ=21∘ F2=21 N l2=1.75 m F3=? l3=0.15 m

Q: Instead of a Tug-of-War competition, two teams are having a "Torque-of-War". Team A is pulling on…

A: Torque is a measure of the force that can cause an object to rotate about an axis.. = torque= forcer…

Q: A person exerts a horizontal force of 42 N on the end of a door 96 cm wide. What is the magnitude of…

A: Given, force , F = 42 N width of door, d = 96cm = 0.96m Magnitude of torque = Force×distance×sinθ…

Q: A nervous diver stands at rest at the end of a 31 kg diving board as shown in the figure. If the…

A: The net torque about the lever point is due to the weight of the person and board. that is,…

Q: A woman opens a 1.50 m wide door by pushing on it with a force of 44.5 N applied at the center of…

A: Given: The width of the door: d = 1.50 m; The force applied at an angle perpendicular to the door's…

Q: A carpenter is driving a nail straight into the northern wall of the house, with an average force of…

A: using the equation, τ=rF