Motion Commotion The Force is with You Obey Newton’s Laws Simply Simple Machines We’ve Got Energy! $100.00 $ 100.00 $ 100.00 $ 100.00 $ 100.00 $200.00.

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Presentation transcript:

Motion Commotion The Force is with You Obey Newton’s Laws Simply Simple Machines We’ve Got Energy! $ $ $ $ $ $ $ $ $500.00

If a car drives 500 km in 10 hours, this is its speed. What is 50 km/hr? Back to you Alex

A plane flying from Austin to Dallas makes the 192 mile trip in 1 hour. This is its velocity. What is 192 miles/hour North? Back to you Alex

What are speed up, slow down, and change direction? Back to you Alex The 3 ways that an object can accelerate.

The speed of the athlete in the graph below What is 10 meters per second? Back to you Alex (s)

The section of the graph that represents moving at a constant velocity What is section a? Back to you Alex

The definition of force. What is a push or a pull? Back to you Alex

You might add sand to an icy driveway to increase the force of this. What is friction?

Back to you Alex The type of forces acting on the box below. What are unbalanced forces? 5 N 10 N D

The definition of inertia What is the tendency of an object to resist change in its motion? Back to you Alex Daily Double

The more of this an object has, the more inertia it will have. What is mass? Back to you Alex

Newton’s 2 nd law says that force equals this. What is mass x acceleration? Back to you Alex

Newton’s 1 st law says this. What is an object at rest will stay at rest, and an object moving with a constant velocity will continue moving with that constant velocity, unless acted on by an unbalanced force?

Back to you Alex According to Newton’s 2 nd law, in order to increase the acceleration of an object, you must do this. What is increase the amount of force you use OR decrease the mass of the object?

Back to you Alex The law and explanation for why we seem to lift out of our seat when a rollercoaster car goes down a hill. What is Newton’s 1 st law because our body is at rest at the top of the hill and tends to want to stay at rest until acted on by an unbalanced force?

Back to you Alex What is Newton’s 3 rd law because you exert a force on the volleyball (volleyball flies away) and the volleyball exerts an equal force on you (your hand stings)? The law and explanation for why when you hit a volleyball, the volleyball flies away from you and your hand stings.

The force that you exert on the machine. What is input force? Back to you Alex

The simple machine that is an inclined plane wrapped around a cylinder. What is a screw?

Back to you Alex The 3 ways that a simple machine can make work easier. What are decrease amount of input force needed, spread the force out over a greater distance, and change the direction of the force?

Back to you Alex Of the 3 ways machines can make work easier, a 3 rd class level makes work easier by doing this. Daily Double What is multiplying your input force (or decreasing the amount of force needed)? 3 rd class lever Baseball bat

The type of pulley that you would use if you wanted to decrease the amount of force needed and change the direction of the force. What is a multiple pulley system? Back to you Alex Fixed Moveable Multiple Pulleys

Stored energy. What is potential energy? Back to you Alex

The definition of kinetic energy. What is energy of motion? Back to you Alex

Of a skateboard, a ball, or a person—the one that has the greatest potential energy at the top of a staircase. What is a person? Back to you Alex

The letter representing the point where the rollercoaster has the greatest kinetic energy What is X? Back to you Alex

This happens to the cart’s energy between points W and X What is the potential energy converts to kinetic energy? Back to you Alex