11:09 Search Friction 37. With the friction bar set in the middle, what is the least amount of force needed to get each object to start moving? Fill in the data table below using the simulation. Lab 4: Static Equilibrium Object Minimum Applied Frictional Sum of Forces Minimum Applied Sum of Forces Force (N) needed Force (N) (Net Force to Force (N) needed (Net Force) to cause the Acting on the the right) to keep it moving at needed to keep object to begin Object cause the object a constant velocity object moving at moving to begin moving once it starts a constant moving velocity once it starts moving Child Click here to enter Click here to Click here to Click here to enter Click here to text enter text. enter text. text enter text. Adult Click here to enter Click here to Click here to Click here to enter Click here to text. enter text. enter text. text enter text. Box Click here to enter Click here to Click here to Click here to enter Click here to text enter text. enter text. text enter text. Trash can Click here to enter Click here to Click here to Click here to enter Click here to text. enter text. enter text. text enter text. Refrigerator Click here to enter Click here to Click here to Click here to enter Click here to text. enter text. enter text. text enter text. Mystery Click here to enter Click here to Click here to Click here to enter Click here to Item text. enter text. enter text. text. enter text. 38. As the amount the objects of mass increases, what happens to the amount of force needed to begin moving the object? Explain. Click here to enter text. 39. Do you need to continue applying force on an object to keep it moving? Explain why. Click here to enter text. End of laboratory. Once completed save and upload your work to the assignment upload space on Blackboard. E11:09 III Q CB' 4 Search FOI'CGS and MOTION: BOSlCS loadthesimulationwebsite. Select Motion Option. Select All the Boxes. Push with Force = 100 N let velocity variables be Omls to 40 m/s. 31. Using the simulation, determine the time it takes for each object to accelerate from Omls to 40 m/s when pushed with 100M of force and calculate the objects acceleration. Record your results in the data table. enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. 32. Using the simulation and equations, determine the mass of the 'Mystenf item and record your results in the data table. Mystery item Mass (is) Click here to enter text. 33. When you increase the mass of an object (while keeping the applied force the same) what happens to the rate of acceleration? Explain why this occurs using your understanding of Inertia (an object's resistance to a change in motion). Click here to enter text. 34. When you apply a constant force to an object does the object move at a constant velocity or does its velocity increase? Explain why this occurs using your understanding of acceleration/force (gravity). Click here to enter text. 35. Now focus on only on object and determine the time it takes to reach 40m/s when pushed with 100M, 200N, 3DON, 4OON, and SOON and enter your results in the data table. Click here to enter text. t oruseF=mxa 100N=mxa Click here to enter text. Click here to enter text. Click here to enter text. 11:09 Search Lab 4: Static Equilibrium Name of Object: Mass of Object (kg): Force (N) Time (s) Acceleration (m/s?) 100N Click here to a = V-V a = 40 m/s - Om/s enter text. or use F = m x a 100N = m x a Click here to enter text. 200N Click here to enter text. Click here to enter text. 300N Click here to enter text. Click here to enter text. 40ON Click here to Click here to enter text. enter text. 500N Click here to Click here to enter text. enter text. 36. When you increase the applied force, what happens to the acceleration of the object? Explain. Click here to enter text. Part 6: Net Forces, Equilibrium and, and Motion Load the simulation website. Forces and Motion: Basics Select Friction Option. Set Bar to 'Middle'. Check All the Boxes. Net Force Motion Acceleration Friction 37. With the friction bar set in the middle, what is the least amount of force needed to get each object to start moving? Fill in the data table below using the simulation. Lab 4: Static Equilibrium Object Minimum Applied Frictional Sum of Forces Minimum Applied Sum of Forces Force (N) needed Force (N) (Net Force to Force (N) needed (Net Force) to cause the Acting on the the right) to keep it moving at needed to keep object to begin Object cause the object a constant velocity object moving at moving to begin moving once it starts a constant moving velocity once it starts moving Child Click here to enter Click here to Click here to Click here to enter Click here to text. enter text. enter text. text enter text. Adult Click here to enter Click here to Click here to Click here to enter Click here to text. enter text. enter text. text. enter text. Box Click here to er here to enter Click here to11:09 Search 19. Reset the app. Check the force and values boxes. Apply 50 N of force to the crate. What is the value of the force of friction now? Record this. Increase the applied force and note how the friction force behaves. Click here to enter text. Part 2: Force Equilibrium Forces and Motion: Basics Load the simulation website. Select Motion Option. Select 'Force', 'Values' and 'Speed'. Net Force Friction Motion 20. Make sure the boxes say Apply a force of 50 N right to the box. Describe the motion of the box using physics terms (i.e. velocity, acceleration, displacement). Refer to the speedometer in your answer. Click here to enter text. 21. Reset the scenario (don't forget to check forces, speed again). Apply a force of 50 N to the right for about 5 seconds then reduce the applied force to zero (the man should stop pushing). Don't reset the scenario. Describe the motion of the box. Refer to the speedometer in your answer. Click here to enter text. 22. Reset the simulation. Apply a force of 50N to the left. Describe the motion of the box. Click here to enter text. 23. Get the box to move left at a constant velocity. Make the box stop. Explain the exact steps needed to make the box come to a stop. Click here to enter text. 24. Newton's First Law of Motion States "An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." Explain how your observations as evidence to support this Law. Click here to enter text. Part 3 - Newton's Second Law 25. Reset the simulation, don't forget to check force, values and speed again. Remove the box and place a garbage can on top of the skateboard. Using your timer/phone, measure the amount of time it takes to reach maximum speed using a force of 50 N. Try this again with forces of 100N, and 200N and record your work in the data table below. Applied Force (N) Time To Max Speed (s) 50 Click here to enter text. 10 Click here to enter text. 200 Click here to enter text. 26. Reset the sim, check force, values, speed and the masses boxes this time. Set the applied force to 200 N Right. Using your timer/phone measure the amount of time it takes to reach maximum speed. Repeat with two crates, one crate and a garbage can, and a refrigerator and record your work in the data table below. Object Mass (kg) Time to Max Speed (s) 50 Click here to enter text. 100 Click here to enter text. 150 Click here to enter text. 200 Click here to enter text 27. Newton's Second Law states "The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object." Explain how your observations support this Law. Lab 4: Static Equilibrium EF Fnet a = m m Click here to enter text. Part 4 - Net Force Load the simulation website. Forces and Motion: Basics . . Select Net Force Option. Select ALL the Boxes. Net Force PHET11:09 Search Part 4 - Net Force Load the simulation website. Forces and Motion: Basics . . Select Net Force Option. Select ALL the Boxes. Net Force PHET O O 28. Using the simulation, create a scenario where the net force is 50N to the left and there is at least 1 member on each side. Cut and paste your screenshot in the space below. The net force is 50N to the left and there is at least 1 member on each side. Click here to enter text. 29. Using the simulation, create a scenario where the net force is ON to the left and there is at least 1 member on each side. Cut and paste your screenshot in the space below. The net force is ON to the left and there is at least 1 member on each side. Click here to enter text. 30. Create and describe a situation where the net force is ON but the cart moves. The net force is ON but the cart moves. Click here to enter text. Part 5: Forces and Motion Combined Lab 4: Static Equilibrium Forces and Motion: Basics Load the simulation website. Select Motion Option. Select All the Boxes. Push with Force = 100 N Let velocity variables be Om/s to 40 m/s. Net Force Motion 31. Using the simulation, determine the time it takes for each object to accelerate from 0m/s to 40 m/s when pushed with 100N of force and calculate the objects acceleration. Record your results in the data table. Object Mass (kg) Time (s) Acceleration (m/s') Child 40 Click here to a = V- V a = 40 m/s - 0m/s enter text. or use F = mxa 100N = mxa Click here to enter text. Adult 80 Click here to enter text. Click here to enter text