Two crates each of weight 200 N, are placed as shown in the bed of a 2500 N pickup truck. Determine the reactions at each of the two rear wheels A and front wheels B. 1.7 m- 2.8 m
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- Current Attempt in Progress In the special position shown for the log hoist, booms AF and EG are at right angles to one another and AF is perpendicular to AB. If the hoist is handling a log weighing 4380 lb, compute the magnitudes of the forces supported by the pins at A and D in this one position due to the weight of the log. 50° A = Answers: i D= i 15" A 13' 26" B eTextbook and Media E C lb lb R 10" 3' -"( 14' G1. Determine the magnitude and direction with respect to the +x axis on the reaction at A and at C. Note that the body is supported by pin at A and a roller at C. The body's weight is negligible. 2.4 kN-m 40° -200-250- Dimensions in mm -300 B 3 kN240 lb B 2. Find the horizontal and vertical forces at Point C as it acts on Member BD. D 45° 450 E -8'-
- G₁ A 2 ft 1.5 ft B -3.5 ft-4.25 ft G₂ 3.25 ft = If the rear wheels of the forklift supply a combined tractive force of FA 300 lb, determine the normal reaction at the pairs of rear wheels. The forklift has a weight of 1,590 lb, center of gravity at G1, and the load weighs 790 lb, center of gravity at G2. The front wheels are free to roll. Neglect the weight of the wheels. Express your answer in pounds.A 2600-lb tractor is used to lift 900 Ib of gravel. Determine the reaction at each of the two front wheels B. 900 lb 20 in. 40 in. 50 in. O 1228 Ib O 1238 Ib O 1248 Ib O 1258 Ib O 1288 Ib O 1278 IbThe bobcat loader (Figure Q3) has a mass of 1200-kg, shows the center of mass is at G1. If there is a 200-kg pebble in the bucket, with center of mass at G2 determine the reactions of each pair of wheels A and B on the ground and the force in the hydraulic cylinder CD and at the pin E. There is a similar linkage on each side of the loader. L0.5 m E 0.1 m_ D 0.2 m G2 0.18 m G1 0.6 m 0.5 m В 0.45 m 1.2 m 0.15 m 0.2 m 0.05 m Figure Q3
- 1) Determine the horizontal force P needed to hold the handle in the position shown. Express your answer to three significant figures and include the appropriate units. 2) Determine the x component of reaction at the ball-and-socket joint A. Express your answer to three significant figures and include the appropriate units. 3) Determine the y y -component of reaction at the ball-and-socket joint A. Express your answer to three significant figures and include the appropriate units. 4) Determine the z component of reaction at the ball-and-socket joint A. Express your answer to three significant figures and include the appropriate units. 5) Determine the x component of reaction at the smooth bearing B. Express your answer to three significant figures and include the appropriate units. 6) Determine the z component of reaction at the smooth bearing B Express your answer to three significant figures and include the appropriate units.For what value M of the clockwise couple will the horizontal component Ax of the pin reaction at A be zero? If a couple of that same magnitude M were applied in a counterclockwise direction, what would be the value of Ax? Answers: M= A Ax= i i -2.4° 170 lb L--x -2.4 B M 1.9' 64° lb-ft lb 1.9' Cthe indicated location of the center of gravity of the 3100-lb pick truck is for the unlanden condition. if a load whose center gravity is x=22 in. behind the rear axle is added to the truck, determine the load weight for which the normal forces under the front and rear wheels are equal
- The mass center G of the 1400-kg rear-engine car is located as shown in the figure. Determine the normal force under each tire when the car is in equilibrium. State any assumptions. 1386 mm 964 mmArm ABC is connected by pins to a collar at Band to crank CD at C. Neglect the effect of friction. 160 mm 90 mm A 180 mm B M 320 mm D 125 mm 300 mm Draw the free-body diagram of the member ABC and CD.For what value M of the clockwise couple will the horizontal component A of the pin reaction at A be zero? If a couple of that same magnitude M were applied in a counterclockwise direction, what would be the value of A,? 3.0 3.0 B 1.5' 205 Ib 1.5' M 55 Answers: M = i Ib-ft Ax = i Ib