May the force be with you.

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May the force be with you. Newton’s 2nd Law May the force be with you. Objective(s)/SWBAT (Students will be able to): Solve problems using Newton’s 2nd Law of motion. Activities: Discuss FBD’s and action-reaction diagrams Example problems Closure: Questions Assessment: Problem Set Test Keystones: 3.2.B

Students will be able to: Objectives Students will be able to: Solve problems using Newton’s 2nd law of motion. Keystones: 3.2.B

Newton’s 2nd Law Free Body Diagram Action-Reaction Diagram Keystones: 3.2.B

What force is needed to stop a 1300 kg car going 95 km/h in 30 m? Keystones: 3.2.B

If a force of 55 N is used to push a 22 kg crate and there are 25 N of frictional force holding it back, how fast does it accelerate? Keystones: 3.2.B

A crane is lifting a 3200 kg container at 1. 2 m/s A crane is lifting a 3200 kg container at 1.2 m/s. What is the tension in the cable? Keystones: 3.2.B

What was the tension in the cable as the crane started lifting the container? It took 3.1 seconds to reach lifting speed. Keystones: 3.2.B