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Fundamentals of Physics: Projectile Motion and Laws of Motion Explained

This University of Maryland physics project delves into projectile motion and motion rules. Learn about x-direction equations, uniform velocity concepts, free fall in the y-direction, and more detailed rules. Engage with scenarios like Shoot and Drop, and Hunter and the Monkey to explore concepts like gravity, acceleration, and clever tactics. Dive into practical problems like Bob pushing a crate up a ramp, calculating crate acceleration. Enhance your understanding of physics principles with these interactive and engaging examples.

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Fundamentals of Physics: Projectile Motion and Laws of Motion Explained

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  1. Physic² 121:Fundament°ls of Phy²ics I October 9, 2006 University of Maryland

  2. Projectile Motion University of Maryland

  3. Some Details About the Rules • x-direction • ax = 0 • x = vxot • This is the only operative equation in the x-direction since there is uniform velocity in that direction University of Maryland

  4. More Details About the Rules • y-direction • free fall problem • a = -g • take the positive direction as upward • uniformly accelerated motion, so the motion equations all hold University of Maryland

  5. Shoot and Drop • A ball is shot sideways by a spring at the same time a ball is dropped. • Which ball will hit the ground first? 1. the one shot? 2. the one dropped? 3. both the same? University of Maryland

  6. A ball is shot sideways by a spring at the same time a ball is dropped.Which ball will hit the ground first? • The one shot • The one dropped • Both the same

  7. Hunter and the Monkey • A hunter is trying to shoot a monkey that is hanging in a tree. The clever hunter aims his gun directly at the monkey. The crafty monkey sees this and lets go of the tree and drops at the exact moment that the gun fires. Q: Who’s really more clever? University of Maryland

  8. Bob and the Ramp • Bob is pushing a crate up a ramp. He exerts a force of 100 N on the crate. The crate has a mass of 10 kg. The ramp is at an angle of 30°, and the coefficient of kinetic friction between the ramp and the box is 0.2. • Q: What is the acceleration of the crate? University of Maryland

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