Science Project
Testo Storyboard
- Good and bad forces
- Pushing a heavy object
- Walking and gripping
- Measuring forces
- 10kg
- 98 N
- Forces in collisions
- good and bad forces are the forces that help or hinder us in achieving a aim or goal.
- Friction
- Introducing Friction!
- we measure forces using a spring balance wich measures the weight of an object then transfers the weight into newtons.
- Surface friction
- in a collision either the car stops and your body keeps moving or the car begins moving but your body stays behind, these are examples of enertia
- Mass friction
- Friction is the amount of speed loss when two object rub against each other and interlock into the tiny bumps on each object.
- the smoother a surface is the less friction occurs between the surface and the object because the microscopic bumps are much flatter and smoother and the rougher surface's bumbs are larger and taller.
- The more gravity there is the more the microscopic bumps of an object interlock.
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