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<Assignment 4 - Attempt 1
Problem 13.61
At the instant 0 = 60
momentarily at rest. (Figure 1)
the boy's center of mass G is
Part A
Determine his speed when 0 = 90 °. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords.
Express your answer to three significant figures and include the appropriate units.
H HẢ
Value
Units
Submit
Request Answer
Figure
< 1 of 1.
Part B
Determine the tension in each of the two supporting cords of the swing when 0 = 90 °
Express your answer to three significant figures and include the appropriate units.
10 ft
µẢ
圖]?
T =
Value
Units
Submit
Request Answer
99+
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- Problem 9.18 A shop sign weighing 200 N hangs from the end of a uniform 160-N beam as shown in (Figure 1). Figure 35.0% -1.35 m 1.70 m Paul's Auto Auto Repair 1 of 1 Part A Find the tension in the supporting wire (at 35.0"). Express your answer to three significant figures and include the appropriate units. Fr= Submit Part B Submit Part C CO FHY HÄ Find the horizontal force exerted by the hinge on the beam at the wall. Express your answer to three significant figures and include the appropriate units. Enter positive value if the direction of the force is to the direction of the force is to the left. Bud Value Request Answer TH Kalue A Request Answer Value 201 Find the vertical force exerted by the hinge on the beam at the wall. Express your answer to three significant figures and include the appropriate units. Enter positive value if the force is upward and negative v downward. HAGE ANNIENIM P Pearson P PA uniform ladder of length L and weight w is leaning against a vertical wall. The coefficient of static friction between the ladder and the floor is the same as that between the ladder and the wall. If this coefficient of static friction is u, = 0.385, determine the smallest angle the ladder can make with the floor without slipping. 52.4 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error.°Plz ? solve within 25 minutes all parts will definitely upvote
- Needs Complete typed solution with 100 % accuracy.The automobile has a mass of 2.2 Mg and center of mass at G. Take u, = 0.3. (Figure 1) Part A Determine the towing force F required to move the car if the back brakes are locked, and the front wheels are free to roll. Express your answer to three significant figures and include the appropriate units. HA ? F = Value Units Submit Request Answer Provide Feedback Figure 1 of 1 G. 0.6 m 0.3 m B A 1m-1.50 m- 0.75 m5.08
- please help me to answer this quetion with in 30 mins and make sure u get the same number for the answer given below .Thank you !Answer the followingProblem #1 Person lifting with back: Forces on The Spinal Column Consider the person lifting a heavy box with his back as shown. 8 cm- 10° CGub 29 61 Wub FB 39° CG box (a) Calculate the magnitude of the force FB, in the back muscles that is needed to support the upper body plus the box. Note the cm indicated on the schematic is the lever arm associated with FB. The mass of the upper body is 55.0 kg and the mass of the box is 30.0 kg. 4196 N F 35 cm Pivot 50 cm point Wbox 1 (b) Calculate the magnitude and direction, 0, of the force Fv, exerted by the vertebrae on the spine at the indicated pivot point. 4657 N; 38°