Force and Motion

force a push or pull friction the rubbing of matter that creates heat and slows moving objects work the use of force to create movement spring scale measures force position the location of an object motion the movement of matter variable what's different (being tested) The same car is used on both ramps, which ramp will allow the car to roll further? Ramp 1 Ramp 2 It will be the same for each ramp The arrow above shows the force exerted on the rolling car. Gravity pulls the car down the ramp. The other arrow showing the slowing force on the car could be labeled as what force? centrifugal weight friction volume Use this picture of a class experiment to answer the questions below.A science group is conducting an experiment using the three setups above. What is the variable in each test? the spring scale the size of the ramp the mass on top the car size of the car tires What is the name of the tool the students are using in this experiment to determine the amount of force? balance graduated cylinder centrifuge spring scale Which question below can be solved with this experiment? How does mass affect the amount of force pulling the car down the ramp? How far will cars roll if spring scales are used to test data? Will a change in mass create a change in volume as measured by the spring scale? How will different texture ramps affect the distance the car will roll? Work rolling a bowling ball lifting a box into a car dropping a book on the floor throwing a baseball swinging on a swing sliding down a water slide Not work a student pushing against a wall a tug-o-war game where noone is winning trying to lift weights but it is too heavy for you to move it. pushing down on the floor as hard as you can until your arms hurt Force is defined as any push or pull of an object. It can be measured by using a tool called a spring scale. Sometimes force can be used and yet no movement happens. In order for it to be defined as work, movementmust occur. Work occurs when there is a change in position(location) and motion (direction or speed), Example when a kickball player kicks a ball the position changes as the ball goes into the outfield and the motion changes as the ball changes direction and goes faster after the kick. Friction is a rubbing force that acts to slow down or stop moving objects.