Motion and Forces

Scince

Lesson 1-Contact Force

Vocabulary

​ Force Applied Friction Spring Tension Normal Drag

Advanced

Contact Newtons​

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​Topic 1-Forces

​Forces are push and pull. When you use force an object moves forces are measured by newtons you can measure force with a spring scale. A spring scale uses tension force. N means newtons, newtons can be used to find mass too.

​Frition

​Friction moves in the opposite way of a push or pull if it didn't exist anything will move forever

Multiple Select

What is a force

• Push

• Pull

• Exert

• Predict

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​Since newtons make force then what is in this situation (find out lesson 2)

​Lesson 2-Net Force

​Vocabulary

Net Force Balanced Force Problem

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​At that tug of war game, the kids were using a net force in different directions make you use subtraction the same way makes you need addition

Multiple Choice

What is the net force here

• 5

• 2

• 3

• 7

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​Remember the 6 contact forces you can only use applied and normal forces to make a net force and balanced force