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Basketball and Gravity

Join us to learn about gravity in basketball through hands-on activities like free throws and banked shots, exploring the effects of gravity on object trajectories in a fun group setting.

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Basketball and Gravity

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  1. Basketball and Gravity Objective: Students will apply what they have learned about gravity and free falling objects to the sport of basketball.

  2. What is Gravity??? • Force that exists between any two objects that have mass. • Gravity is the pulling force (pulling towards the center of the Earth or the force pulling objects together).

  3. Gravity and Basketball • Where do you aim a basketball when taking a free throw? • Do you aim toward the rim, the backboard, or the basket? • Toward the basketball or the backboard

  4. Activity • You will work in groups of 4 • Your group will work on steps 1 and 2 of the activity sheet. • Group # is identified by the index card on your desk. • Every member needs to participate in the activity. • Read over Steps 1 and 2 • 10 – 15 minutes will be given for this activity.

  5. What does the path of the ball look like?

  6. What causes the ball to fall? • GRAVITY

  7. Free Throw • When you shoot a free throw the path of the ball is an arc. • Gravity causes the ball to fall as it travels. • Parabolais the term used for the arc created by the act of gravity on the basketball.

  8. Activity • Continue with step #3 • Students should throw until each member of the team has made a basket directly and as a banked shot. • 10 – 15 minutes will be given for this activity.

  9. Tossed Basket Banked Basket How are the two paths of the tossed balls different?

  10. Space Basketball • What would be different in playing basketball in space? • Astronauts would not be able to make shots that require arcs. • Arcs are impossible in space because of the free fall environment.

  11. Free FallWhat is this????? • Free fall is motion with no acceleration other than that provided by gravity. • Free fall is experienced in space or on the shuttle.

  12. Space Background • Astronauts in the space shuttle are seen “floating” about with no floor to stand on. • The same gravity force that keeps you in your chair also keeps the astronauts, and the Moon, in orbit. • If Earth’s gravity were turned off, orbiting astronauts, and everything else held by Earth, would fly off into interplanetary space.

  13. Why do objects float in space? • The shuttle is falling toward Earth just as you would be if your chair suddenly broke. • The shuttle is traveling so fast that Earth curves away from it as it falls. • Floating is due to falling in space…….8 km/sec or 5 miles/sec

  14. Step 4 • Now imagine playing basketball while circling Earth in the space shuttle. The spacecraft and the astronauts are falling around Earth at the same rate. As a result, everything inside the shuttle seems to float. • Predict: Could an astronaut make a banked shot in space? • Could an astronaut toss the ball directly into the hoop? • What kind of trick shots could an astronaut make?

  15. Homework • Find one example in your daily lives in which you use the arc of a falling object to complete the task……

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