A 3 kg body is connected via an inextensible cable to a 1 kg body. A 30 N force at 37 degrees to the horizontal surface is applied at the free end of the 3 kg body and the two bodies begin moving under the effect of the applied force. Find the tension in the rope, in N. Use g =10m/s2, sin 37 = 0.6 and cos 37 = 0.8. Round the answer to the first decimal.
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- Instructions Use g = 10 m/s2 Always answer in standard units (SI units). Unless otherwise instructed. Answer to 2 decimal places. Unless otherwise instructed. A block of mass 3.0 kg is pushed up against a wall by force P that makes an angle of theta = 50 degree with the horizontal (see the figure). THe coefficient of static friction between the block and the wall is 0.25. Find the minimum force of P that can hold the block against the wall (the block does not accelerate downward).A block is resting on a wooden plank. There is a hinge on one end of the plank which allows the other end to be lifted to create an angle, θ, with respect to the horizontal as shown in the figure. The coefficient of static friction between the block and the plank is μs. If a student measures that the block begins to move at an angle of θ = 20.5°, what is the numerical value of the coefficient of static friction, μs?Consider the 681 N weight held by two cables shown below. The left-hand cable had tension 590 N and makes an angle of 0 with the wall. The right-hand cable had tension 660 N and makes an angle of 81 with the ceiling. 690 N 01 - 660 N 681 N a) What is the angle #1 which the right- hand cable makes with respect to the ceiling? Round up to four significant digits. Express unit as "degrees". Answer in units of degrees. b) What is the angle which the left-hand cable makes with respect to the wall? Round up to four significant digits. Express unit as "degrees". Answer in units of degrees.
- What is the correct answer? I got this wrong.A mother holds a baby's stroller stationary on a hill with a 20° incline. The stroller and baby weigh 200 N. Resolve the force into components that are parallel and perpendicular to the hill and state the magnitudes of the components. For the first blank state the PARALLEL component rounded to 2 decimal places. For the second blank state the PERPENDICULAR component to 2 decimal places. Blank # 1 Blank # 2 A A/Compute the resultant of the concurrent forces shown in N. P1 = 265 N, P2= 303 N, P3 = 455 N, P4 = 192 N, 01 = 21, 02= 25, and 03= 10. Write numerical value only in 2 decimal places. P1 P4 03 8₂ + Y 0₁ P3 P2 + X
- A bag of cement weighing 525 N hangs in equilibrium from three wires as suggested in the figure below. Two of the wires make 62.0⁰ and 02 = 43.0° with the horizontal. Assuming the system is in equilibrium, find the tensions T₁, T2, and T3 angles 0₁ 1' in the wires. T₁ = 0 = Consider the net force at the point where the three wires come together. What is the acceleration of this point? N 0.53 X T₂ = The horizontal component of your T₁ is not equal to the horizontal component of your T₂, so the object would be accelerating horizontally. N T3 = 525 N 201 T₁ CEMENT T3 0₂ T₂ FgTwo blocks of mass m, = 10 kg and mg =5 kg are connected by a massless string that passes over a pulley as MA shown in the figure. The system is in static equilibrium. There is friction between m, and the inclined surface (30.4). Neglect the friction between the string and the pulley. Determine the static friction force in the system. 10 kg 5.0 kg 37 49.0 N 29.3 N 39.2 N 33.9 N O 9.98 NA toy car is rolling down the ramp as shown in the figure. The car's mass is m = 1.6 kg and the ramp makes an angle of θ = 12 degrees with respect to the horizontal. Assume the car is rolling without friction. A) Using the coordinate system specified given an expression for the acceleration of the car in the terms of θ, g and the unit vectors i and j. B) What is the magnitude of this acceleration in m/s^2
- Two blocks are connected by a (massless) string that runs over a (massless, frictionless) pulley as shown. Assume there is no friction between block 1 and the surface of the incline. 40° 2 If m₁ = 3.9 kg and m₂ = 5.9 kg, what is the tension in the string? Express your answer in N, to at least one digit after the decimal point.A 882 N sign is hung symmetrically by 3 cables that each make an angle of 69° to the horizontal. How much is the vertical component of the tension force in each cable? Answer: 294 N Check Correct Marks for this submission: 1.00/1.00. tension force in each cable? Answer: 91.5N Check xA picture of mass m = 11 kg is hung on a wall from a hook with a piece of wire. The picture hangs level and is centered on the hook. The tension in the wire is the same on both sides of the hook. Each section of wire makes the same angle with the horizontal. Refer to the figure. Initially the picture is hung with a short wire, such that θ1 = 11°. What is the tension in the wire, in newtons. FT = The wire is replaced with a longer wire. The picture now hangs with θ2 = 48°. What is the new tension in the wire, in newtons. FT =