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- Consider the 65.0-kg ice skater being pushed by two others shown. Find the direction and magnitude of Ftot, the total force exerted on her by the others, given that the magnitudes F1 and F2 are 26.4 N and 18.6 N, respectively. (b) What is her initial acceleration if she is initially stationary and wearing steel-bladed skates that point in the direction of Ftot? (c) What is her acceleration assuming she is already moving in the direction of Ftot? (Remember that friction always acts in the direction opposite that of motion or attempted motion between surfaces in contact.)A 5.0-kg bag of potatoes sits on the bottom of a stationary shopping cart. (a) Sketch a free-body diagram for the bag of potatoes.(b) Now suppose the cart moves with a constant velocity. Howdoes this affect your free-body diagram? ExplainProvide a free body diagram showing object (box) skidding down the same incline (accelerating slightly down the incline). Assume the incline has a much more slippery surface, but not frictionless. Overlay a labeled force diagram on the object.
- Consider a box of mass m that remains still on an incline. What is the free body diagram of the box.Kindly provide a free body diagram of the problem. Please give a complete and detailed solution.A statue of is sitting on the surface of a frozen lake. Someone pushes the statue so that it is sliding across the surface with a coefficient of kinetic friction mk = 0.110. Because of the slight friction, the statue is slowing down. The statue’s mass is 47.3 kg. (a) draw the free body diagram of the forces acting on the statue. (b) Write the equation for Newton’s second law, and using that equation find the negative acceleration of the statue.
- Consider a ball rolling at a a constant speed along a straight highway. if the magnitude of the forces due to the air drag and friction between the ball and the ground are 3.97N and 2.44N, respectively, what is the magnitude of the force in newtons the keeps the car moving forward?Consider the 65.0 kg Ice skater being pushed by two others shown In the figure. Frot F2 Free-body diagram F, F, F, (a) Find the direction (in degrees) and magnitude (in N) of F,et, the total force exerted on her by the others, glven that the magnitudes F, and F, are 25.2 N and 15.4 N, respectively. direction o (counterclockwise from the direction of F, is positive) magnitude (b) What is her initial acceleration (in m/s?) if she is initlally stationary and wearing steel-bladed skates that point in the direction of F? (c) What is her acceleration (in m/s2) assuming she is already moving in the direction of Fot? Remember that friction is always in the opposite direction of motion or attempted motion between surfaces in contact. m/s? (in the direction of Frot)A car skids to a stop on an icy road. The car has an initial velocity of 25.0 m/s and skids for 10.4 s before stopping. The mass of the car is unknown. Calculate the acceleration of the car. Draw the free-body diagram with the forces, but without their magnitudes. Find the coefficient of kinetic friction, ?k , between tires and the road. (Tricky. You don’t know the car’s mass, but you don’t have to know it. The mass cancels from the equation.)
- An engine slows as it pulls two cars of an excursion train up a mountain. Draw a visual overview (motion diagram, force identification diagram, and free-body diagram) for the car just behind the engine. Ignore friction.Somebody is riding a skateboard and holding a wire that is tied to a car. The wire makes a 17° angle with the horizontial. The tension on the wire is 175N. The friction between the skateboard and the road is 80N. They have a mass of 81kg. Create a free body diagram and find the acceleration.Consider the figure shown below. You are lowering two boxes,one on top of the other, down a ramp by pulling on a rope parallel to thesurface of the ramp. Both blocks move with a constant velocity of 15.0 [ m s]. The coefficient of kinetic friction between the ramp and the lower boxare 0.444 and the coefficient of static friction between the two boxes is0.800. a. Draw the Free-Body diagram of both blocks. Set the x-axis parallel tothe ramp. b. What are the magnitude and direction of the frictional force on the upper box? c. What is the magnitude of the applied force?