Circular Motion
Projectile Motion
Momentum
Work and Energy
Forces
100
The direction of an objects velocity when in circular motion can always be correctly described by this term.
What is tangential?
100
The flight time of a horizontal projectile is determine by the acceleration of gravity and this variable?
What is its initial height?
100
This is the type of collision in which both momentum and kinetic energy are conserved?
What is elastic?
100
Work done by a pitcher to throw a baseball horizontally gives the ball this type of energy.
What is kinetic?
100
These two forces always act opposite the direction of motion.
What is kinetic friction and drag?
200
The centripetal force that acts on an object in circular motion depends on these three variables?
What is the object's mass, its velocity, and radius of motion?
200
For a projectile launch at 60 degrees above vertical, this component of its velocity is largest at its apex?
What is the horizontal component?
200
An 20kg ball that strikes wall going 2m/s and rebounds going 1m/s experiences this much change in its momentum?
What is 60 kg.m/s?
200
A 5kg mass dropped from a height of 2m will strike the ground with how much kinetic energy?
What is 100 Joules?
200
This is the net force of a 3N and 4N force acting together but at right angles to each other.
What is 5N?
300
This is the period of a circular moving object that completes 4 laps each second?
What is 1/4 second?
300
An projectile without air resistance has what two quantities remain constant throughout its flight?
What is acceleration and horizonal velocity?
300
This is the final velocity of a 4kg ball moving at 20m/s after an impulse of 40Ns is provided to slow it.
What is 10m/s?
300
The work that friction does to slow a skidding car is converted to this form of energy?
What is heat or sound?
300
These are 2 of the 3 forces that never cause an object to accelerate.
What is static friction, normal force, or balanced force?
400
An object that completes 3 complete revolutions in 9 seconds has this angular speed
What is a 120 degrees/second?
400
What is the approximate flight time launched vertically upward with a velocity of 20m/s?
What is 4 seconds?
400
Of two ice skaters of masses 100 and 150kg that push each other apart on a frictionless rink, this one ends up with more momentum?
What is they are both equal?
400
A 10kg ball thrown vertically upward at 10m/s will come back down to the same height with how much kinetic energy?
What is 500Joules?
400
This is the force that becomes less if you pull a wagon at an upward angle as opposed to pulling horizontally?
What is normal force, kinetic friction, or the horizontal component of the applied force?
500
What is the approximate speed of an object moving in a circle of radius 1m with a period of 3 seconds
What is 1m/s+?
500
This is the compass heading of a boat travelling 30 degrees to the left of due north.
What is 330 degrees?
500
How much force must a wall provide to stop a 1200kg golf cart going at 10 m/s in a time of 0.5s?
What is 24,000N?
500
The height a 50kg person should be above the ground to have an approximate potential energy of 1000J
What is 2m?
500
This is the buoyant force on a cube that is 1m long on each side and is totally immersed in water?
What is 10,000N?
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