A 32 kg crate rests on a horizontal floor, and a 61 kg person is standing on the crate.(a) Determine the magnitude of the normal force that the floor exerts on the crate. N (b) Determine the magnitude of the normal force that the crate exerts on the person.
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A 32 kg crate rests on a horizontal floor, and a 61 kg person is standing on the crate.(a) Determine the magnitude of the normal force that the floor exerts on the crate.
N
(b) Determine the magnitude of the normal force that the crate exerts on the person.
N
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- A horizontal force of 195 N is required to push a crate across a floor at a constant speed. What is the net force acting on the crate? N What is the force of friction acting on the crate? NA sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 8.40 kg. Calculate the tension in the chain assuming no friction between the legs and the sidewalk. NCalculate the magnitude of the normal force on a 15.2 kg block in the following circumstances. (Enter your answers in N.) (d) The block is on a level surface and a force of 115 N is exerted on it at an angle of 35.8° below the horizontal. N
- The figure below shows Superhero hanging motionless from a rope, with Trusty Sidekick hanging below him. Superhero's mass is 86.5 kg, while Trusty Sidekick's is 58.0 kg, and the mass of the rope is negligible. (a) Find the tension (in N) in the rope at a point between Superhero and Trusty Sidekick. N (b) Find the tension (in N) in the rope at a point above Superhero. NPRINTER VERSION 4 ВАСК NEXT Z Your answer is partially correct. Try again. A 2.70 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 5.98 N and a vertical force P are then applied to the block (see the figure). The coefficients of friction for the block and surface are us = 0.4 and u = 0.25. Determine the magnitude of the frictional force acting on the block if the magnitude of P is (a)10.0 N and (b)14.0 N. (The upward pull is insufficient to move the block vertically.) m em em (a) Number 5.9 Units em lem (b) Number T7.37 Units lem Click if you would like to Show Work for this question: Open Show Work lem plem SHOW HINT blem LINK TO TEXT LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE blem e here to search 7:12 PM ENG 4/4/2021 13) 17 pause break eno Pgup prt sc delete hon insert 115Pgdn %23 3 4 5. backspo 远South still displays with great pride the large sign boasting of their 1996 State Championship Girl's Basketball Team. The 44.2-kg sign hangs from two cables which make an angle of 39.8° with the horizontal. Determine the tension in each of the cables. Answer: N
- Calculate the magnitude of the normal force on a 17.7 kg block in the following circumstances. a.The block is resting on a level surface. b.The block is resting on a surface tilted up at a 20.8° angle with respect to the horizontal. c.The block is resting on the floor of an elevator that is accelerating downward at 3.78 m/s2. d.The block is on a level surface and a force of 115 N is exerted on it at an angle of 20.8° above the horizontal.The figure below shows Superhero hanging motionless from a rope, with Trusty Sidekick hanging below him. Superhero's mass is 82.5 kg, while Trusty Sidekick's is 51.5 kg, and the mass of the rope is negligible. (a) Find the tension (in N) in the rope at a point between Superhero and Trusty Sidekick. N (b) Find the tension (in N) in the rope at a point above Superhero. NA physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the Oiled Steel frying pan is only 0.150 N. Knowing the coefficient of kinetic friction between the two materials (0.03), he quickly calculates the normal force. What is it? N
- An object of mass m = 1.00 kg is observed to have an acceleration of a with a magnitude of 21.0 m/s² in a direction = 70.0° east of north. The figure below shows a view of the object from above. The force F, acting on the object has a magnitude of 7.18 N and is directed 2 north. Determine the magnitude and direction of the force F, acting on the object. 1 N magnitude direction ---Select--- ↑ m Ө F₁ iSuppose you pull a suitcase with a strap that makes a 60° angle with the horizontal. The magnitude of the force you exert on the suitcase is 40 Ib. a. Find the horizontal and vertical components of the force. b. Is the horizontal component of the force greater if the angle of the strap is 30° instead of 60°? c. Is the vertical component of the force greater if the angle of the strap is 30° instead of 60°? a. Consider the figure (not to scale) to the right. It shows the force vector F along with its horizontal and vertical components, F, and Fy, respectively. Which of the following formulas will correctly evaluate F Fx and Fy? TO O A. F, = F| sin 0 and F, = F| cos 0 O B. F = |F| tan 0 and F, = |F| cot0 O C. F=|F| cos 0 and F, = |F| sin 0 O D. Fy = |F| cot 0 and F, = |F| tan 0A physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the Dry Steel frying pan is only 0.400 N. Knowing the coefficient of kinetic friction between the two materials (0.3), he quickly calculates the normal force. What is it (in N)? N