If all forces, (red, green, blue and black arrows) are of equal magnitudes which free-body diagram is correct for an object moving at constant velocity? select the letter of your answer a. A and C b. B and D c. B and E d. E and F
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- An object is moving to the right in a straight line. The net force acting on the object is also directed to the right, but the magnitude of the force is decreasing with time. The object will... A. continue to move to the right with a constant speed stop and then begin moving to the left. continue to move to the right, with its speed decreasing with time D. continue to move to the right, with its speed increasing with time.# 2. A box of mass m = 10 (kg) is pulled with constant speed by a string on a 35° inclined plane with the horizontal. The string makes an angle of 25° with the inclined plane. The coefficient of friction between the box and the inclined plane is 0.3. String 250 Box 35° a) Draw a Free Body Diagram including all forces acting on the particle with their labels. b) Find the magnitude of the tension T in the string. c) Find the force of friction acting on the particle.A speed boat pulls a water-skier (with a mass of 100 kg) at a steady speed by a rope at 15 degrees above the horizontal. The water exerts a friction force of 50 N opposing the skier's motion. a) What is the tension in the rope? b) What is the normal force the water exerts to keep the skier from sinking?
- 6. A cable is pulling on box B, causing both boxes to move together to the right. Make a free-body diagram of block A a. if the table is frictionless, and b. if there is friction between block B and the table and the pulling force is equal in magnitude to the friction force the table exerts on block B. B Horizontal table PullThe hanging sphere off the table has a mass of 2.51 kg. The string makes a 32.9° angle to the ceiling. How much does the sphere weigh? Find T1 Find T2 The block on the table does not move. How much friction must be acting between the table and the block?A horizontal force of 89.2 N is applied to a 30.5 kg crate on a rough, level surface. If the crate accelerates at 1.08 m/s2, what is the magnitude of the force of kinetic friction (in N) acting on the crate? Draw a free-body diagram and apply the x-component of Newton's second law
- 1. Two boxes are in contact with each other, sitting on a flat surface. The mass of box 1 is mı= 8.75 kg, and the mass of box 2 is m2=5.50 kg. Box 1 is pushed with an external force of 33.0 N, in the direction of box 2, as seen in the image below. Assume you can ignore friction. m1 m2 (a) Draw and label a free body diagram for m1. (b) Draw and label a free body diagram for m2. (c) Find the magnitude of the force with which box 2 pushes on box 1. (d) Find the acceleration of the systemBox A, weighting 60 N, is placed on a table tilted at angle of 15˚. Another box, B, weighing 40N, is placed on top of A. Both boxes are at rest.A) Draw the free-body diagram for box B. What is the frictional force exerted on A by B? B) Draw the free-body diagram for box A. What is the frictional force exerted on A by the table?