Kinematics
This is the acceleration at the very top point on the path of a projectile.
What is 10 m/s2?
This law states that for every action there is an equal and opposite reaction.
What is Newton's 3rd Law?
The direction of acceleration of an object when you spin it at a constant speed in a circle.
What is toward the center?
Since momentum has both magnitude and direction it can be classified as this.
What is a vector?
Energy of Motion
What is kinetic energy?
The area under the curve of an acceleration vs time graph.
What is change in velocity?
This is the type of picture that can (should) be drawn for any dynamics problem.
What is a free-body diagram?
This law states that the ratio of the radius cubed to the period squared for two planets is the same.
What is the Law of Harmonies or Keplers 3rd Law.
This is the name we give for the change in momentum.
What is impulse?
When energy is not lost or destroyed.
What is conservation of energy?
This is the value that can be found from the area under a velocity vs time graph.
What is displacement?
This is the direction that kinetic friction acts on an object.
What is opposite of the motion?
Where little "g" comes from.
What is Newton's Universal Law of Gravitation?
In this type of collision both Kinetic energy and momentum are conserved.
What is elastic?
Work can be considered the change in this type of energy
What is potential energy (or kinetic energy)?
This is the type of acceleration that an object must have in order to be able to use equations of motion.
What is constant?
The tension throughout a rope that is taut.
What is the same?
An astronaut weighs 1200 N on the surface of the Earth. The weight of that astronaut when he is floating one radii away from the surface of the earth.
What is 300 N?
A 5 kg loaded rifle is initially held at rest and then fired. The 0.05 kg bullet leaves the barrel at 450 m/s. This is the final momentum of the bullet-gun system.
What is zero?
Work over time.
What is power?
This is how long it will take a 5 kg object to hit the ground if dropped from rest at a height of 45 m. You can ignore air resistance.
What is 3.0 seconds?
This is the normal force on a 10 kg object that rests on an incline that makes a 60 degree angle with the horizontal.
What is 50 N?
The tension in a 5 m long string that holds a 5 kg ball at the bottom of its swing moving at 5 m/s.
What is 75 N?
This is the final velocity that a 500 kg car that starts at rest will have, after it is rear-ended by a 500 kg car that is initially going 20 m/s. The cars lock together after they hit.
What is 10 m/s?
A 10 kg block of wood is moving to the right at a constant speed of 2 m/s. It is being pulled by a horizontal rope with a tension of 20N for 3 seconds. This is the work done by the Normal force.
What is 0?