PhEr: Forces and Motion Basics Link to Sim: hit :h' hetcoloraddedul'enisimula 'onirorce -and- otio -ba i Open the simulation and press the arrow to start. Newton's 1st Law is also known as the Law of Inertia. it says that objects will stay still or keep moving in the same direction and same speed until they're acted upon by an unbalanced force. Newton's 2nd Law tells us that the more force is applied to an object the faster it will accelerate. it also tells us that objects with a greater mass need a greater force to be applied in order to accelerate them. Acceleration is any change in motion. This means speeding up (this includes starting to move), slowinl downiinoludingstopping), or changing direction. ' w _ , Part 3: Friction. - Click on the "Friction" option at the bottom of your screen. . Make sure all the boxes are checked. 9 Set the frictional force to 25 N. Now apply a force of 50N to each object in the chart below. Fill in the chart With the values of the quantities measured. To calculate the acceleration. use the change in velocity divided by the time, not the equation F=ma. What do YOU notice about the time required to accelerate, as compared to the time obtained in Part 2? What do you conclude about the effect of friction on the motion of an object? Does friction have the same effect on each object? (I mean quantitatively. does it change the acceleration by the same amount for each object?) What would happen if the frictional force were equal to the force you apply on the object? What if the frictional force was larger than the force applied