If you drop your textbook it falls because the earth pulls it downward. At the same time, your textbook pulls on the earth with a force that is
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- In a tug of war, both teams pull each other end of the rope with a force of 50 N. What is the tension force on the rope? А) 25 N в) 50 N 100 N D oA person stands on a scale inside an elevator at rest . The scale reads 800 N. a) what is the persons mass? b) The elevator accelerates upward momentarily at the rate of 2 m / s ^2. What does the scale read then? c) The elevator then moves with a steady speed of 5 m / s. What does the scale read now?A skier with a mass of 60 kg is sliding down a snowy slope, the slope with an angle of 30 degrees above the horizontal as shown in the figure. Find Normal force N for the skier as shown in the figure if friction is known to be 45.0 N. Assuming no air resistance and g=10m/s^2 a) 600 N b) 519.62 N c) 45 N d) 38.97 N
- Which of the following situations is an example of unbalanced forces? A rollercoaster car accelerating as it travels around a bend in the tracks. A rollercoaster car at the loading dock. A rollercoaster car a constant speed on a straight away track. A rollercoaster car at the top of a hill before the drop. a b c or d?A bag of cement suggested in Figure P5.18. Two of the wires make angles 01 = 60.0° and 02 = 25.0° with the horizontal. If the sys- tem is in equilibrium, find the tensions Tj, T2, and T3 in the wires. weight 325 N hangs from three wires as 02 T2 CEMENTHello, I was given the hw question that wanted to know if a basketball player is getting ready to jump, pushing off the ground and accelerating upward, what are the forces acting on the player? I have tried the options many of times but can't figure out where I am wrong. For the most part it can't be too many forces acting on the player. The multi-choice options were: Weight Tension Force Kinetic Friction Force Normal Force I have chosed Normal Force and Weight as my top two. But somehow i'm still wrong or missing something.
- If I were to push a cart in the grocery store, which force would I be supplying to the cart? Would I be supplying tension, applied, normal or frictional force41. An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley (Fig. P5.41), Nick pulls on the loose end of the rope with such a force that the spring scale reads 250 N. Nick's true weight is 320 N, and the chair weighs 160 N. Nick's feet are not touch- ing the ground. (a) Draw one pair of diagrams showing the forces for Nick and the chair considered as separate systems and another diagram for Nick and the chair considered as one system. (b) Show that the acceleration of the system is upward and find its magnitude. (c) Find the force Nick exerts on the chair.A woman at an airport is towing her 17.0-kg suitcase at constant speed by pulling on a strap at an angle above the horizontal. She pulls on the strap with a 25.5-N force, and the friction force on the suitcase is 20.0 N. (a) Draw a free-body diagram of the suitcase. Choose File No file chosen This answer has not been graded yet. (b) What angle does the strap make with the horizontal? (c) What is the magnitude of the normal force that the ground exerts on the suitcase? A