# Distance Car #1 Traveled in cm Distance Car #2 Traveled in cm Without washers 1 washer 2 washers 3 washers 1.Use a PENCIL to mark the spot the.

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Distance Car #1 Traveled in cm Distance Car #2 Traveled in cm Without washers 1 washer 2 washers 3 washers 1.Use a PENCIL to mark the spot the car stopped on the floor after each roll. You can also mark “WW” for “without washer” and “#1” for “1 washer” with a sticky note to help you keep track of which mark is for which roll. 2.Measure with measuring tape. 3.Write measurement on recording sheet. Do you think it’s important to switch cars with another team and conduct the experiment again? Why or why not?

Measurements in cm Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 8 Without washers 1 washer 2 washers 3 washers Add the data from your groups’ first roll to the class chart at the front of the room. We’ll discuss this data and see what it tells us!

How is this like our experiment? Think about it!

The greater the mass of an object, the more force required to accelerate it. Small forces produce small accelerations. Large forces produce large accelerations. But like our experiment today, if an object has more mass, it won’t accelerate as much with the same amount of force applied to it. (By the way - the force was applied when you let the car go down the ramp – what force WAS applied to the car?)

Describe/explain Newton’s Second Law of Motion in your science notebook.

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