Q5) Determine the mass moment of inertia of copper balls (Density of copper is 8940 kg / m³) used in ball bearings that has a diameter of 50 mm. Express your answers in both kg . m² and kg . mm.

Q: 4. A hoop is thrown onto the ground without bouncing. Initially the velocity of the center of the…

A: To find the speed and direction of the center of the hoop when it stops slipping relative to the…

Q: A horizontal vinyl record of mass 0.109 kg and radius 0.144 m rotates freely about a vertical axis…

A: The vinyl is rotating with an initial angular velocity of ωi=4.05 rad/s As this vinyl rotates, it…

Q: A ring and a disk have the same mass and radius. Which has the greater moment of inertia?   a. Not…

A: Moment of inertia of ring = MR2  Moment of inertia of disc = MR2/2

Q: Find the moment of inertia of a 5 kg sphere with a radius of 10 cm, rotated about an axis that is…

A:

Q: A diver curls up on diving to do flips, then straightens as she enters the water.  Which of these is…

A: The product of the body's angular velocity and its moment of inertia is the angular momentum of the…

Q: An odd-shaped object rotates at a speed of 12 rev/s A small 25 kg mass with moment of inertia I =…

A: Step 1:Step 2:

Q: 13. A 3.0 kg particle is moving at a constant speed of 4.0 m/s along the direction of 7 = î + 2ĵ .…

A:

Q: A2 kg point mass is at coordinates (5 m, 5 m), a 7 kg mass is at (-5,8) and a 8kg mass is at (x,y)…

A:

Q: A ceiling fan is turned on and a net torque of 2.4 N-m applied to the blades. The blades have a…

A: Given that,  Net torque, τ=2.4 N.m Moment of inertia, I=0.74 Kg.m^2

Q: A 5 kg point mass is at coordinates (8 m, 5 m), a 9 kg mass is at (-6,8) and a 8kg mass is at (x,y)…

A: Given, m1=5 kgr1=8,5 mm2=9 kgr2=-6,8 mm3=8 kgr3=5,-2 m

Q: Table 3. Moment of Inertia Outer Radius (m) Inner radius (m) Moment of Inertia (kg.m) 1.6 kg.m2…

A: Given that:- Table of Moment of Inertia, inner radius, and outer radius is given.

Q: The member shown below is fixed at O and its dimensions are h1 = 1.10 m, h2 = 0.20 m, and w = 0.50 m…

A: Given h1 = 1.10 mh2 = 0.20 mw  = 0.50 mF  = 51 N

Q: A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is…

A: To find out the rotation inertia of the sphere passing through its centre.

Q: 5. Determine the mass moment of inertia Iz of the cone formed by revolving the shaded area around…

A: Consider a elementary ring of radius y of width dz and density of cone is ρ. Let the elementary mass…

Q: Which of the following are equations that describe angular momentum? A. ?⃗⃗ = ?⃗ ∙ ? B. ?⃗⃗ = ? ∙…

A: Angular Momentum : The property that characterizes the rotatory inertia of an object in motion about…

Q: Determine the moment of inertia about the x-axis of each of the areas shown in Figures P9-1 to 80 mm…

A:

Q: 7. An aluminum disk has a mass m, radius R, and area A. It has an area mass density (mass per unit…

A: Given data: Mass of the aluminum disk is, m The radius of the aluminum disc is, R The area of the…

Q: Consider a thin 4 m rod pivoted at one end. A uniform density spherical object (whose mass is 9 kg…

A: Given Data The length of the rod is:L=4m The mass of the spherical object is:ms=9kg The radius of…