Questions and Answers of Engineering Mechanics Statics

If FB = 3kN and θ = 45°, determine the magnitude of the resultant force of the two tugboats and its direction measured clockwise from the positive x axis. F= 2 kN 30 FB B.
If the resultant force of the two tugboats is 3kN, directed along the positive axis, determine the required magnitude of force FB and its direction θ. FA= 2 kN 30° FB
If F1 = 30 lb and F2 = 40 lb, determine the angles u and f so that the resultant force is directed along the positive x axis and has a magnitude of FR = 60 lb. F, F2
Determine the magnitude and direction of the resultant force, measured counterclockwise from the positive x axis. Solve l by first finding the resultant F′ = F2 + F3 and then forming FR = F′ +
Determine the magnitude and direction of the resultant force, FR measured counterclockwise from the positive x axis. Solve the problem by first finding the resultant F′ = F1 + F2 and then
Force F acts on the frame such that its component acting along member AB is 650 lb, directed from B towards A. Determine the required angle ϕ(0° ≤ ϕ ≤ 45°) and the component acting along
Force F acts on the frame such that its component acting along member AB is 650 lb, directed from B towards A, and the component acting along member BC is 500 lb, directed from B towards C. Determine
Determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis. 800 lb - 40° 35° 500 lb
If the resultant force acting on the support is to be 1200 lb, directed horizontally to the right, determine the force F in rope A and the corresponding angle θ. A. B 60° 900 lb
Resolve the force F1 into components acting along the u and v axes and determine the magnitudes of the components. 30° 75° F = 4 kN 30° F, = 6 kN
Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured clockwise from the positive u axis. 30° 75° F = 4 kN 30° F, = 6 kN
If the magnitude of the resultant force is to be 500 N, directed along the positive y axis, determine the magnitude of force F and its direction θ. F. 150 00 N
If θ = 60° and F = 450 N, determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis. F, 15 700 N
Two particles have a mass of 8 kg and 12 kg, respectively. If they are 800 mm apart, determine the force of gravity acting between them. Compare this result with the weight of each particle.
A concrete column has a diameter of 350 mm and a length of 2 m. If the (mass/volume) density of concrete is 2.45 Mg/m3, determine the weight of the column in pounds.
Evaluate each of the following to three significant figures and express each answer in SI units using an appropriate prefix: (a) (212 mN)2(b) (52800 ms)2(c) [548(106)1/2 ms.
he density (mass volume) of aluminum is 5.26 slug/ft3. Determine its density in SI units. Use an appropriate prefix.
Evaluate each of the following to three significant figures and express each answer in SI units using an appropriate prefix: (a) (684 μm)/(43 ms)(b) (28ms)(0.0458 Mm)/(348 mg)(c) (2.68 mm)(426
Represent each of the following with SI units having an appropriate prefix: (a) 8653 ms, (b) 8368 N, (c) 0.893 kg.
Represent each of the following combinations of units in the correct SI form: (a) GN•mm, (b) kg/mm, (c) N/ks2, (d) kN/μs.
Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) m/ms(b) μkm(c) ks/mg(d) km•μN
Represent each of the following combinations of units in the correct SI form using an appropriate prefix:(a) Mg/mm, (b) mN/μs, (c) μm•Mg
Round off the following numbers to three significant figures: (a) 58.342 m, (b) 68.534 s, (c) 2553 N, (d) 7555 kg.
Represent each of the following as a number between 0.1 and 1000 using an appropriate prefix: (a) 45320 kN, (b) 568(105) mm, (c) 0.00563 mg.
Convert: (a) 200 lb ft to N.m(b) 350 lb/ft3 to kN/m3(c) Express the result to three significant figures. Use an appropriate prefix.
Represent each of the following combinations of unit in the correct SI form: (a) Mg/ms, (b) N/mm, (c) mN/(kg•μs).
What is the weight in newtons of an object that has a mass of (a) 8 kg, (b) 0.04 kg, (c) 760 Mg
Ruiz and his two brothers founded a social club called the Last Snake Inn in 1991. They want to take advantage of a new state law that lets them serve beer, liquor, and wine to their patrons on

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