The lawn mower having a total mass of 50-kg and a center of gravity at G as shown in Figure Q3. If the coefficients of rolling resistance are 0.12 for the front wheels and 0.18 for the rear wheels, calculate the horizontal force P required to push lawn mower at constant speed. 250 mm 450 mm 750 mm 450 mm 125 mm A B

Q: Which method of tolerancing does not exist?   a)Limit tolerance b)Triolateral tolerance c)Bilateral…

A: There are basically three types of tolerances exist in the metrology  Limit tolerance Bilateral…

Q: True or False: The LENGTHEN command doesn’t work with arcs.

A: While using the LENGTHEN command, the Delta and angle options allows the user to lengthen or shorten…

Q: The cross-sectional area of the figure below is 0.5 in2. If E = 13 x 106 psi, calculate the total…

A:

Q: What is use to clean solutions that eventually become spent and must be disposed of properly

A: Few washers are used to clean solutions. These are given as, (1) Sump pits (2) Car washers (3) Part…

Q: This part of the a cylinder holds the piston in place and helps support the rod as it extends. a.…

A: Option c is correct.

Q: what should you know before choosing a respirator

A: Workers should use respirators for cover from contaminants within the air on condition that…

Q: n which type of check valve are the inlet and outlet ports located directly opposite of one another?

A: In order to stop backflow, check valves are typically fitted in pipes. The flow can freely move…

Q: When deciding on the excavator-truck fleet, we should always select the option that ensure that the…

A: When deciding on the excavator-truck fleet, we should always select the option that ensure that the…

Q: Two techs are discussing oil coolers. Technician A says that when inspecting oil- to-water type…

A: Solution:

Q: What volume of oil to the cylinder is required to cause the cylinder to advance at a speed of 392…

A: Given Data: The speed of advance of the cylinder is, C=392 in/min. The diameter of the piston is,…

Q: milling machine operational parts

A: Milling machine: It has a rotating cutting tool having number of cutting edges which is used to…

Q: What type of simple machine is a wheelbarrow? lever inclined plane O wedge screw

A: A machine used to reduce the effort while performing a task is called a simple machine.

Q: What is the conveyor system?

A: Conveyor system  conveyor is a material handling equipment and used to transfer the object from one…