ss, having studied physics, he attaches one end of a stout rope to the vehide and the other end to the trunk of a nearby tree, allowing for a sm er of the rope in the direction perpendicular to the car-tree line, as shown in the figure below. If the rope is inextensible and if the magnitude o ssume equilibrium conditions.) Tree
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- A student gets his car stuck in a snow drift. Not at a loss, having studied physics, he attaches one end of a stout rope to the vehicle and the other end to the trunk of a nearby tree, allowing for a small amount of slack. The student then exerts a force F on the center of the rope in the direction perpendicular to the car-tree line, as shown in the figure below. If the rope is inextensible and if the magnitude of the applied force is 483 N, what is the force on the car? (Assume equilibrium conditions.) kN 12 m Tree 0.50 m FThe end of the boom in the figure shown is subjected to three concurrent and coplanar forces. Determine the magnitude and direction of the resultant force measured counter clockwise from the positive x- axis. The slope triangle for F2 is 3 for vertical and 4 for horizontal. F2 = 400N 35° F, = 850N 4 F3 = 250NThis problem concerns the concept of tension in a rope. Consider a rope subjected to a pulling force on its two ends as shown in (Figure 1). The rope is stationary. An arbitrary point P divides the rope into a left-hand segment L and a right-hand segment R. Figure wi L pull R 232 pull 1 of 3 Part A For segment R and segment L to hold together, they must exert forces on each other. What is the direction of the force exerted on segment R by segment L? View Available Hint(s) left right Submit Part B FLR Assume that segment R exerts a force of magnitude T' on segment L. What is the magnitude FLR of the force exerted on segment R by segment L? Give your answer in terms of T and other constants such as g. ► View Available Hint(s) = Submit % ΑΣΦ www ?
- a person holds a 10.0kg weight in a forearm that is horizontal with the vertical upper arm. The biceps muscles exerts a force Fm distance of d=4.00cm at the elbow joint of horizontal forearm and the upper arm. The mass of the forearm is 1.10kg and its length from the elbow is 32.00cm. A)what is magnitude of muscle force Fm? B) what is magnitude and direction of force F on the forearm at the elbow joint? C) What is the magnitude and direction of force on the elbow joint by the forearm? Model this as an uniform rodThe weightless strut in the figure below is not attached to the wall; it is prevented from falling only by friction. (Let w = 365 N, L = 4.45 m and h = 2.95 m.) (a) Find the magnitude of the force of friction between the wall and the strut.(b) Find the normal force exerted by the wall on the strut.(c) Find the minimum coefficient of static friction.The center of mass of the arm shown in the figure is at point A. Find the magnitudes (in N) of the tension force Ft and the force Fs which hold the arm in equilibrium. (Let θ = 22.0°.) Assume the weight of the arm is 42.9 N.
- In the figure below, a climber with a weight of 720.6 N is held by a belay rope connected to her climbing harness and belay device; the force of the rope on her has a line of action through her center of mass. The indicated angles are e = 35.5° and o = 29.5°. If her feet are on the verge of sliding on the vertical wall, what is the coefficient of static friction between her climbing shoes and the wall?A uniform plank of length 2.00 m and mass 35.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 705-N person is d = 0.500 m from the left end. magnitude of T, magnitude of T, N magnitude of T, N 40.0° -2.00 m-A 129N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 5 degrees with the horizontal. What is the tension in the rope?
- You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your friend is helping you so that the ladder does not collapse by exerting a force F_AL at an angle ϕ relative to the horizontal. The ladder has a length L and makes an angle of θ with respect to the vertical wall. You have a mass, m_Y, and are a horizontal distance x from the wall. The ladder has a mass of m_L. Because the wall is slick, and the ice on the floor is slick, the frictional forces acting on the ladder are negligible. Find a formula for the magnitude of the force that your friend must exert to keep the ladder from falling, in terms of the following variables: x,L,m_Y,m_L,θ,ϕ. Then use the following values to get a number for the magnitude of F_AL. θ = 30.3 degrees ϕ = 23.028 degrees x = 1.491 meters L = 7.1 meters m_Y = 86.0 kg m_L = 42.14 kg Find the magnitudes of: F_AL, normal force of the wall on the ladder (N_WL), and normal force of the floor on the ladder (N_FL).A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank by gradually raising one end of the plank. When the angle of inclination with the horizontal reaches 280 the box starts to slip and starts to slide 2.53 m down the plank in 3.92 s. Find the coefficients of friction.A tightrope walker with a mass of 70.0kg stands balanced in the middle of a tightrope so that the rope sags 8.00° with respect to the horizontal on both the left and right sides of the midpoint. What is the magnitude of the tension force, in Newtons, in the tightrope if we assume that the tightrope walker and the tightrope are in equilibrium?