How close to the edge of the 18.0 kg table shown in (Figure 1) can a 76.0-kg person sit without tipping it over? Express your answer to two significant figures and include the appropriate units. ? Value Units

Question 3 Example from notes. Determine the distance, x, at which the 40 lb mass must be placed in order to achieve equilibrium. If necessary, Round your answer to 3 significant digits. 30 lb 2 ft 20 lb 2 ft X 25 lb Answer:

Currently eighty-five percent of all neck injuries are caused by rear-end car collisions. To alleviate this problem, an automobile seat restraint has been developed that provides additional pressure contact with the cranium. During dynamic tests the distribution of load on the cranium has been plotted and shown to be parabolic.

The 300-kg wheel has a radius of gyration about its mass center O of ko = 400 mm (Figure 1) Figure 1 of 1 M 300 N·m 0.6 m 4 Part A If the wheel is subjected to a couple moment of M = 300 Nm, determine its angular velocity 6 s after it starts from rest and no slipping occurs. Express your answer to three significant figures and include the appropriate units. LO ☛ μA ? Units Request Answer Part B Determine the friction force that the ground applies to the wheel. Express your answer to three significant figures and include the appropriate units. μA ? Ff= Value Units Submit W = Submit Value Request Answer

Problem 4.70 Two couples act on the beam. (Figure 1) Figure 1 ◆ of 1 200 lb 1.5 ft -2 ft 200 lb TO 1.25 ft 30° 30 Part A If F 167 lb, determine the resultant couple moment. Express your answer to three significant figures and include the appropriate units. M = Submit O μÅ Value Units My Answers Give Up ? Provide Feedback Continue