A captain of a ship turns the steering wheel by applying a 20 N toque. If he applies the force at a radius of 0.2 m from the axis of rotation, at an angle of 80 degrees to the lever arm, what torque does he apply?

Q: What is the magnitude of the torque about the elbow by the weight of the forearm with hand, in N·m?

A: Torque is equal to the product of force and the distance of force from the rotating axis.

Q: A heavy concrete panel is being lifted into position in a building by means of a crane (see figure…

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Q: A wheel of inner radius r, = 13.4 cm and outer radius r, = 35.0 cm shown in the figure below is free…

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Q: A torque of 720 Nm is applied to flywheel that has a radius of 32.1 cm .what is the applied force?

A: The torque is given by  torque = force x perpendicular distance

Q: A softball player swings a bat, accelerating it from rest to 8 rev/s in a time of 0.4 s.  Find the…

A: The inertia of a rod about one end

Q: A combination of an applied force and a frictional force produce a constant total torque of 32 N-m…

A: Torque τ=IαI=τα=τωf-ωit

Q: ssume it to be approximately an annular ring with an inner radius of R, = 0.280 m and an outer…

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Q: A child pushes tangentially on a small hand driven merry- go- round.  She is able to accelerate it…

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Q: When opening a door, you push on it perpendicularly with a force of 57.5 N at a distance of 0.75 m…

A: Given data:  Force (F) = 57.5 N Distance (r) = 0.75 m Angle (θ) = 90°, Perpendicular Required:…

Q: A centrifuge rotor rotating at 9500 rpmrpm is shut off and is eventually brought uniformly to rest…

A: The angular velocity of the centrifuge root is

Q: A man ties one end of a strong rope 8.06m long to the bumper of his ruck, 0.602 m from the ground,…

A: Torque is a measure of how much a force acting on an object causes that object to rotate.  Here, we…

Q: The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38 Nm.…

A: We know that the torque is the product of perpendicular component force and the length. To find the…

Q: A wheel of inner radius r, = 13.4 cm and outer radius r, = 35.0 cm shown in the figure below is free…

A: Given Data The inner radius of wheel is:r1=13.4 cm=0.135 m The outer radius of  wheel is:r2=35…

Q: As a bowling ball radius 14.6 cm rolls down the alley to the right, a frictional force of magnitude…

A: The radius of the bowling ball,                      Magnitude of the friction force,…

Q: A dentist's drill starts from rest. After 3.30 s of constant angular acceleration, it turns at a…

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Q: A constant tangential force of magnitude 1.5 N acts on the edge of a wheel. The wheel's radius is…

A: Given, Force F =1.5 N Radius R =0.20 m

Q: An athlete at the gym holds a 2.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of…

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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: A bolt is tightened by applying a 60 N force to a wrench. If the magnitude of the torque is 120 Nm,…

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Q: A dentist's drill starts from rest. After 3.20 s of constant angular acceleration it turns at a rate…

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Q: The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 40 N⋅m.…

A:

Q: An athlete at the gym holds a 2.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of…

A: Answer:-  Given  m1 = 2 kg  x1 = 70 cm = 0.7 m  m2 = 4 kg  The centre of mass of the arm is at the…

Q: A particle is located at r = (4.0i+3.5j+6.0k), A force F= (9.0j-4.0k) N acts on it. What is the…

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Q: A merry-go-round accelerates from rest to 0.63 rad/s in 33 s. Assuming the merry-go-round is a…

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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 tune-up specifications of a car call for the spark plugs to be tightened to a torque of 42 N m.…

A:

Q: A 20.0 N force is applied to a cord wrapped around a pulley of mass 1.00 kg and radius 33.0 cm. The…

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Q: a doctor opens a 1.5 m door by pushing it with a force of 39.7 N. What magnitude torque does she…

A: Given values:Applied force, F = 39.7 NDistance from the axis to the center of the door, r = 1.5 / 2…

Q: Assume it to be approximately an annular ring with an inner radius ofR, = 0.280 m and an outer…

A:

Q: A torque of 35.3 Nm is applied to an initially motionless wheel which rotates around a fixed axis.…

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Q: When opening a door, you push on it perpendicularly with a force of 55 N at a distance of 0.75 m…

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Q: In (Figure 1) what magnitude force provides 3.0 Nm net torque about the axle?

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Q: A wheel starts from rest and rotates with constant angular acceleration to reach an angular speed of…

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Q: Find the magnitude of the net torque on the wheel about the axle through the center of the object.…

A: inner a=8 cm=0.08 mouter radius b=22 cm=0.22 mF1=13 NF2=25 NF3=16 Nθ=34°

Q: A discus thrower moves the discus in 2.40 complete revolutions about his body in 1.43 s (starting…

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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: 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: Suppose you exert a force of 170 N tangential to the outer edge of a 1.355-m radius 73-kg grindstone…

A: The torque is

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

A: We have given that When you lift an object by moving only your forearm, the main lifting muscle in…

Q: You are designing a lathe motor, part of which consists of a uniform cylinder whose mass is 140 kg…

A: Note: As per the rules we can answer only 3 sub-parts, please post the remaining sub-parts as the…

Q: A potter’s wheel is spinning with an initial angular velocity of 12 rad/s . It rotates through an…

A:

Q: Hi I am in phyiscs I, they have the problem an athlete at the gym holds a 2.5 kg steel ball in his…

A: Given,

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