نقطة واح In lathe machine, the work piece ..rotates about an axis that is outside the chuck. the axis that is parallel to the cross slide. O the axis of the chuck. none of the above O

Q: A 4 kg object rotates at 30 rpm about a fixed axis through its center of mass. What is the total…

A: Given:-  The object of mass  m = 4 kg  The object rotated with the speed of 30 rpm  about a fixed…

Q: A torque of 430. N-m acts on a flywheel. At the instant that the flywheel's angular speed is 52.0…

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Q: A small mass M attached to a string slides in a circle (x) on a frictionless horizontal table, with…

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Q: A weight of 20kg acts tangentially at a radius of 650 mm and causes a pulley to accelerate uniformly…

A: As the weight of 20 kg acts tangentially to the pulley of radius R = 650 mm = 0.65 m this weight…

Q: The figure below shows a ball with mass m = 0.330 kg attached to the end of a thin rod with length L…

A: d) The required work done at lowest point is, Wlowest = mgl        = (0.330)(9.8)(0.494 )        =…

Q: researcher places a blob of biomass into a centrifuge and spins it up to 5000 rev per minute.   The…

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Q: A bicycle wheel with a radius of 13.0 inches turns with an angu-lar velocity of 3 radians per…

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Q: Find the torque about the origin when a force of 3j N acts on a particle whose position vector is 2k…

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Q: Two objects are connected to a rope, and the rope is hung over a pulley connected to the ceiling, as…

A: M = 5 kg m1 = 16 kg m2 = 11 kg R = 0.10 m h = 4.90 m

Q: Calculate the power output (kpm · min−1 and watts) during cycle ergometer exercise, given the…

A: Given: The resistance on the flywheel r = 3 kp. The cranking speed v = 50 rpm. The distance…

Q: A sphere moves down a rough incline. Which of the following quantities increase? O angular velocity…

A: Since the incline is rough, frictional forces will cause the sphere to roll about its axis. Hence,…

Q: A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 14.6 o. It momentarily…

A: Given data ϕ=14.60l=2.38 m

Q: Two equal and opposite forces each of magnitude 40N are applied to the rim of a wheel makes 12…

A: magnitude of forces are 40N . no. of revolutions 12.

Q: A constant torque is applied to a wheel whose moment of inertia is 4.0kg m2 around the axis of…

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Q: A solid, uniform, spherical boulder startsfrom rest and rolls down a 50.0-m-high hill, as shown in…

A: Given data: The height is h=50.0 m. The rough and smooth surfaces of the hill are as shown in the…

Q: This problem considers energy and work aspects, He exerts a force of 250 N at the edge of the…

A: The angular velocity,   The moment of inertia,

Q: (10pts) Two vectors A and B have magnitude A=3.00 and B=3.00. Their vector product is AxB= -5.00k +…

A: Answer Give data A= 3 B=3 A×B = -5k + 2i We have the formula for cross product A×B = |A| |B| sinθ

Q: Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the…

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Q: A wind turbine rotates at 21 rev/min. If its power output is 6.0 MW, what is the torque produced on…

A: Given: The rotation of the turbine is 21 rev/min. The power output of the turbine is 6.0 MW.…

Q: A wheel rotating at an angular speed of 20 rad s1, is brought to rest by a constant torque in 4s.If…

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Q: assume the ball is a solid sphere of radius 2.9 cm and mass0.14 kg. If the ball is released from…

A: (a) The ball is starting moving from rest, and that time the kinetic energy of the ball will zero.…

Q: How does A tangential force applied to a rotating body does work?

A: The force has two components that are 1) The component of force directed along the tangent is called…

Q: In the Atwood Machine shown, the pulley is a solid cylinder of mass m. Find the ratio of tensions in…

A: Basic Details The acceleration of the system is the ratio of the total force to that of the total…

Q: Find the torque about the origin when a force of 31 N acts on the particle whose position vector is…

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Q: A shaft 15 cm in diameter is to be turned on a lathe with a surface linear speed of 180 m/min . What…

A: Diameter, D = 15 cm  Linear speed, v = 180 m/min = 3 m/s

Q: A merry-go-round has a mass of 1550 kg and a radius of 7.40 m .  How much net work is required to…

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Q: What is the angular momentum of a 3.0-kg uniform cylindrical grinding wheel of radius 26 cm when…

A: Angular momentum is defined as the product of moment of inertia and angular speed. L = I*ω where,…

Q: A bowling ball of mass 7.15 kg is rolling at 2.50 m/s along a level surface. (a) Calculate the…

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Q: (a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant…

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Q: A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 24.7 o. It momentarily…

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Q: Ex. 16 : A flywheel of mass 4 kg has radius of gyration 0.4 m. Calculate the kinetic energy of…

A: To find-Kinetic energy of flywheel(K.E)=?Given-Mas of flywheel (m)=4 kgRadius of gyration (K)=0.4…

Q: You pedal your bicycle so that its wheel’s rotational speed changes from 5.0rad/s to 8.0 rad/s in…

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Q: I am having trouble on a 3 d motion question. The question is as follows, "A skateboarder starts up…

A: Given:Initial speed of skater, U = 7.12 m/sDistance travelled along the incline, H = 1.1 m12 = 2.2…

Q: A 68-kg commuter rides on an 8.1-kg bicycle. Each bicycle wheelis a hoop of radius 33 cm and mass…

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Q: 1.40 m is started from rest by a constant horizontal force of 45 N applied tangentially to the…

A: Solution

Q: A Father spinning a child on a merry-go round , he exerts a Force of 140 N, at a distance of 1.4 m.…

A: 307.72N

Q: When the kinetic energy due to rotation is zero?

A: The kinetic energy due to rotation is given by, K=12Iω2 Here, I is the moment of inertia of the…

Q: A horizontal 810-N merry-go-round of radius 1.20 m is started from rest by a constant horizontal…

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Q: It takes a good deal of effort to make homemade ice cream. (a) If the torque required toturn the…

A: (a) The torque (τ) required to turn the handle on the ice cream is 4.5 Nm. Consider the handle…