Unit 3 Motion Review

What is kinetic energy?

• The energy of motion

• The Movement

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Click all the examples of Kinetic Energy

• Kicking a ball

• Basketball on the floor

• runners on a track

• A ball at the top of the hill

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What two things do you use to measure the speed of someone running?

• A Meter Stick

• A stopwatch

• A Thermometer

• A Hula Hoop

What would move farther if pushed with equal force; A table in the lunchroom or a chair in our classroom?

• The Table

• The Chair

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Describe the motion of the cart and the forces acting upon it

• The cart will go left because the blue guy is bigger

• The cart will not move because the forces are unbalanced

• The cart will not move and the forces are balanced

• The cart will go to the right because the red has more force

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Describe the motion of the cart and the forces

• The cart will move to the right because the left is stronger

• The cart wont move because the forces are balanced

• The cart will go to the left because the right is stronger

• The cart will move to the left because the forces are unbalanced and the left is stronger

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Which requires more force to move?

• An empty shopping card

• A full shopping cart

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When a tennis racket hits a tennis ball and they collide the energy transfers and the tennis ball

• Changes its direction and speed

• stops

• Moves under the racket

• Changes itself

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What happens to the 8 ball?

• It wont move

• It will stop all the other balls

• it will move out because the energy transferred through the other balls

• It wont move because the energy was destroyed and left the balls

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What determines how far and fast an object will move when it collides with something else?

• The objects volume

• The objects mass

• The objects direction before the collision

• Where the objects collide

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