Consider the image shown where a plank rests horizontally on a roof.Given the following parameters: M= 4.5kg L=9.8m, m=59kg and D=3.2m. Calculate the distance from the left end that a person would reach when the plank starts to tip.

Q: A 1,467.124 N painter needs to climb d=3.058 m up a ladder (measured along its length from the point…

A:

Q: Determine the speed of the block with a mass of 0.60 kg after it has fallen 270 cm. The sphere is a…

A:

Q: What is the cross product A x B? Find the x component. Find the y component.

A:

Q: A worker applies a torque to a nut with a wrench 0.450 m long. Because of the cramped space, she…

A: Given, Length r=0.45 m Force F=70 N Angel θ=64o

Q: Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the…

A:

Q: what is the angular speed when she is 0.554 m from the center?

A: Conservation of Angular Momentum If the net external torque acting on a rigid body or a particle is…

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: Given:-  The radius of the platform is R = 4.01 m  The rotational inertia of the platform is I =174…

Q: To study torque experimentally, you apply a force to a beam. One end of the beam is attached to a…

A: (a) The torque acting on the beam is

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A:

Q: A uniform board supports two children weighing 500 N and 350 N. If the support is at the center of…

A:

Q: A solid spherical ball starts from rest at an initial height of 1.3 m, and rolls down an incline.…

A: Using conservation of energy Intial energy=final energy

Q: Find the Moment of Inertia of the plate as shown in figure, passing through its centroid with…

A: Given: Section 1. The horizontal length of section 1 is b1=60 mm and its vertical length is d1=100…

Q: Two children are sitting on a see-saw and they want to balance it. One child, at 35.0 kg sits 1.25 m…

A:

Q: horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A:

Q: The uniform solid block in the figure has mass 30.9 kg and edge lengths a = 0.687 m, b = 1.71 m, and…

A:

Q: A man weighing 1200 N sits 2.0 m to the left of the center of a see-saw. His 1 point friend weighs…

A:

Q: A gymnast with mass 46.0 kg stands on the end of a uniform balance beam as shown in the figure. The…

A: Concept Apply the torque concept  Torque=Distace*Force

Q: Problem 9: A thin cylindrical ring starts from rest at a height h, = 75 m. The ring has a radius R =…

A:

Q: A turntable with a mass of 12 kg and a radius of 1.8 meters spins at a constant angular velocity of…

A:

Q: Slip. Consider the figure below. If µ, = 1/(2 + V3) between the surfaces, what is the smallest…

A:

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: Given: radius of circular disk R = 3.30 mrotational inertia Io =165 kg.m2mass of student m = 77.6…

Q: A turntable with a mass of 12 kg and a radius of 1.8 meters spins at a constant angular velocity of…

A: Given, Mass of turntable, m=12kg Radius, R=1.8m Angular velocity, ω=140rpm Mass of brick, M=3kg…

Q: You have a ramp that is 9.62 meters long, as measured along the surface of the ramp. You raise that…

A: Given data:  Length of ramp = 9.62 m Angle (θ) = 7.47°,with the horizontal Required: The vertical…

Q: A steering wheel is rotated through 120 degrees and has a radius of 44 cm. How far would a point on…

A:

Q: To study torque experimentally, you apply a force to a beam. One end of the beam is attached to a…

A:

Q: A wheel is rotating clockwise as shown (by the arrow). Its rotation axis coincides with the x-axis.…

A: Torque vector 5 will cause the wheel to speed up. Vector 5 is curling around the wheel in the…

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: Solution: Given: r1 = radius of merry go round = 1.54 m I1 = rotational inertia of merry go round =…

Q: A child with a mass of 24.3 kg sits on a see-saw, 2.75 m from its center (on its fulcrum). How far…

A:

Q: A mountain biker takes a jump in a race and goes airborne. The mountain bike is travelling at 10.0…

A:

Q: Summation of Forces Forces are given; Force 1 = 12 N @ 110° Force 2 = 15 N @260° Force 3 = 5 1 - 6…

A: First we have to resolve the forces into Cartesian co-ordinates then simply adding x and y…

Q: A hollow, spherical shell with mass 2 kg rolls without slipping down a 37 slope. The acceleration…

A: The acceleration for the hollow sphere is given as a=35gsinθ

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: Mass of the student (m) = 73.1 kg Radius of the platform(R) = 1.83 m Rotational inertia of disk =…

Q: The 3.50-cmcm-long second hand on a watch rotates smoothly. What is the speed of the tip of the…

A:

Q: A 20-cm-long wrench is used to tighten a nut. The wrench handle is pulled at 35° from the…

A:

Q: A 10 m long and 20 kg ladder leaned against a vertical wall at an angle of 53o to the horizontal.…

A: Consider the following figure which represents the direction of all the forces acting on the ladder.…

Q: The cable AB carries a tension of 480 N. Determine the moment about O (positive if counterclockwise,…

A:

Q: A spool of mass 60 kg is supported on two rollers at A and B as shown in Figure Q1(c). Neglect the…

A: Given that: Mspool=60 kgl= 6 mt=3 sk=608 mm= 0.608 mr=900 mm=0.9 mR=1000 mm=1 mθ=10°

Q: To study torque experimentally, you apply a force to a beam. One end of the beam is attached to a…

A:

Q: A printing press has a roller 17 inches in diameter. A point on the roller's surface moves at a…

A:

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: GivenInitial radius ,ri=1.43 mI=263 kg*m2m=61.6 kginitial angular speed ,ωi=2.02  rad/sFinal radius…

Q: For the two vectors shown on x-y axes in the figure, what is the cross product x ? O.17.2 m2 k O…

A: