What should be included in a free body diagram of a car driving on a road? (There are multiple correct answers, and you need to choose them all for full credit.) Your answer: the car the road under the car acceleration of the car O forces acting on the car O velocity of the car
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- Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown below. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0m/s2to the right, what is the magnitude Fof the applied force?In the following figure m = 20.0 kg and a622 The coetticient of kinetic friction betwoen the biock and the incline is a -0.40 (Eigure 1) Part A What must be the mass my of the hanging block ifit ia to descend 14.5 m in the tinst 3.00 s after the system is neleaned from rest? Express your anewer with the appropriate units. Figure t of 1 my Value Units Submit Bequest Aner Provide Feedback Next>What if the "air track" doesn't have an inclination, do you expect the glider to move or not? Explain! В I Fr E EEE C.
- 0.6 m At Grattan Raceway there is a sharp hill known as the "Jump."Ifyou go about 39 m/s (87 mi/hr), your tires will just lose contact with the road. The instantaneous ra dius of curvature ofthe hill is e, and the center of mass is 0.6 mabove the road surface. a) Considering the vehicle as a particle, and assumingno aerodynamic forces, draw a free-body diagram for the vehicle when it is exactly at the top of the hill. (a b) Calculate the instantaneous ra dius of curvature pat thatpoint. c) Ifyouneeded to brake at this point, what would be your maximumnegative tangential acceleration rate? Assume that your tires have a coefficient of friction u-1.10 with the track.A block is resting on a ramp as shown in the figure below. You can change the inclination angle θ by raising one end of the ramp. The block has a mass 6.5 kg. At the interface between the ramp and the block, the coefficient of static friction is 0.4, and the coefficient of kinetic friction is .28. I managed to find the slip angle but I cant figure out where to go from there. Can someone help me understand how to solve this problem?I created a free body diagram but need help explaining how the slope of the ramp can be used to determine the coefficient of friction. Im trying to use math to exaplain using μ = tan(θ) and my rise is 15cm and my run is 55cm. My teacher taught us SOH CAH TOA but im not sure how I would expalin using math. Please help me out!
- e.co CU ct sona- n ect Pool artment... W 24,919 8. A mass m₁ = 9.00 kg is connected by a light string that passes over a pulley of mass M = 14.0 kg to a mass m₂ = 12.5 kg sliding on a horizontal frictionless surface (see figure). There is no slippage between the string and the pulley. What is the magnitude of the tension that is acting on mass m₂? (The moment of inertia of the pulley is ½/Mr².) N # 3 20 $ 4 R 999 F4 % 5 FS ^ 6 tv © MacBook Air Y & 7 m₂ F7 * 8 Dall 1 ( 9 M m₁ A 02 DD ) 0 P ISULI H by mi 04 M vauies or roe pufferImagine you are pushing a wooden object along a level wooden ground. The objecthas a cubic shape and much easier to push rather than to roll. You notice that it isalways harder to push at the beginning but when the object starts to move, it onlyrequires lesser amount of force. Aside from inertia, you remembered 1 more factorwhich is the static and kinetic friction. Static friction present when an object is not inmotion while kinetic is the opposite. With this in mind, how will you differentiate theproperties of kinetic friction and static friction?1 m A 10.3 m D B Figure 5
- A wrecking ball is swinging. Neglect drag. Select the direction of each external force acting on the highlighted object. Only include forces in the plane of the page. weight (W): normal force (N): tension (T): friction (f): drag (D): thrust (Th) / applied (A): BARNHART finalize check answers cannot be det (after completing ALL problems) nit 10: circular motion, free-body diagram drawing esmos Scientific Online Calculator hpA horizontal nire holds a solid uniform ball of mass (m) in place on a tilted ramp that rises 35.0° above the harizontal. The Surface of this ramp is perfectly smooth, and the wire is directed away from the cen ter of the ball. (1.) Draw a free- body diagram of the ball. (2.) How hard does the surface of the ramp push on the ball? 35.0°Please answer it within 30 minutes.I will upvote! Problem: A car of mass 822 kg is traveling 25.9 m/s when the driver-applies the brabss, which lock the wheels. The car skids for 6.07s in the positive x direction before corming to rest. (a) What is the car acceleration in (m/s2)? Indicate the direction with the sign of the answer. (b) What magnitude force (in N) acted on the car during this time? (c) How far (in m) did the car travel?