Rolling On Objective: Students will apply Newton’s first law of motion to the behavior of a toy car.

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Presentation transcript:

Rolling On Objective: Students will apply Newton’s first law of motion to the behavior of a toy car.

What is Newton’s 1 st Law of Motion? An object will remain in motion or at rest unless acted upon by an external force.

What force slows the toy car? Friction Friction is a force that opposes the forward motion of the moving car.

Friction (pushing books across a bare floor) Would it be easier if the floor were carpeted? Would a rolling cart help in moving the books? Is the friction force always the same?

SPEED DISTANCE TIME

Speed Measures how far an object travels in a certain period of time. How do you measure the speed of a moving car? Miles per hour; meter per second Speed = distance / time

Activity 7 Materials needed: toy car, connector, stopwatch, measuring tape, friction towel, tracks, masking tape Follow all direction on activity 7 sheet Complete all steps Watch the same experiment performed in space