A boat is moved uniformly along a canal by two horses pulling with force P=890 N and Q=1068 N acting under an angle a=60° . Determine the magnitude of the resultant pull on the boat and the angles B and y as shown in the figure. R
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- A 5.95 kg block is sitting on a level floor. A person is pulling on a rope attached to the block at a 34.84 degree angle above the horizontal (see figure). The force exerted by the person is 7.33 N. What is the normal force acting on the block from its contact with the floor?A 3.6 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.NA zoologist pulls a block of hay towards an animal enclosure. The zoologist pulls at the angle of 27 degrees above the horizontal with a constant speed of 1 m/s. The mass of the hay is 60 kg and the coefficient of friction between the hay and the concrete is 0.29What is the value of the force F the zoologist is applying? please include a diagram using coordinate system and vectors, implied values, and known values.
- A block and a ball are connected by a string as shown in the figure. The block sits on a level, rough surface. The coefficient of static friction between the block and the surface is μ = 0.841. The ball hangs freely from the string. The mass of the block is 18.82 kg. What is the largest mass of a ball you could hang from the string without causing the block to slide?y Problem 3: The diagram shows the all of the forces acting on a body of mass 2.31 kg. The three forces have magnitudes F₁ = 50.6 N, F2 = 20.8 N, and F3 = 75.8 N, with directions as indicted in the diagram, where 0 = 39.6 degrees and p = 30.1 degrees. The dashed lines are parallel to the x and y axes. At t = 0, the body is moving at a speed of 7.93 m/s in the positive x direction. Part (a) What is the x component of the acceleration in m/s²? ax = || Ę Lª F $ FTwo packing crates of masses m, = 10.0 kg and m2 = 3.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 3.00 kg crate lies on a smooth incline of angle 42.0°. Find the acceleration of the 3.00 kg crate. m/s2 (up the incline) Find the tenslon in the string. N
- A stockroom worker pushes a box with mass 12.9 kg on a horizontal surface with a constant speed of 2.50 m/s. The coefficients of kinetic and static friction between the box and the surface are 0.340 and 0.470, respectively. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Delivering the goods. F₂ = 43.0 N Submit ✓ Correct Part B Previous Answers a = If the worker stops pushing, what will be the acceleration of the box? Express your answer in meters per second squared. Assume that + direction coincides with the direction of velocity. ► View Available Hint(s) Submit VI ΑΣΦ Previous Answers wwww ? X Incorrect; Try Again; 3 attempts remaining Review | Constants m/s²A block whose weight is 40 N rests on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. A string is attached to the block. The string is pulled horizontally with a force of 15 N. Which one of the following statements is correct? O The magnitude of the force of friction on the block is 20 N. O The magnitude of the force of friction on the block is 15 N. O The force of friction cannot be determined because the coefficient of kinetic friction is not given. O The force of friction cannot be determined because the normal force of the surface on the block is not known. O The magnitude of the force of friction on the block is 5 N.A 2.50-kg object is moving in a plane, with its x and y coordinates given by x = 6t² - 2 and y = 5t³ + 1, where x and y are in meters and t is in seconds. Find the magnitude of the net force acting on this object at t = 1.60 s. N
- A teenager of mass m1 = 56 kg pushes backwards against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude F foot = = 18.5 N. The skateboard has m2 = 2.6 kg. a. Write an expression for the magnitude of the horizontal component of force that the ground exerts on the teenagers foot, F ground. b. Write an expression in terms to given quantities for the magnitude of the skateboard acceleration, a , while the teenager is pushing backwards on the ground? c. What is the numerical value of the magnitude of the acceleration, a, in m/s square?See attachedIn a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture.