Measurements
Momentum
Work and kinetic energy
Newton's laws
Converting
100
Time is measured in ___
What is seconds
100
In a 2 body collision, momentum is always ______.
What is conserved
100
Work is done on an object whenever a force causes a _______ of the object.
What is displacement
100
An action exerted on an object which may change the object's state of rest or motion is ______
What is force
100
There are 1000 _____ in a kilogram.
What is grams
200
Distance is measured in _____
What is meters per second squared
200
The law of conservation of momentum states that the total momentum of all objects interacting with one another remains ____ regardless of the nature of the forces between the objects.
What is constant
200
If the sign of work is negative, the force is ______ to the displacement.
What is perpendicular
200
Inertia is described in Newton's __ law of motion.
What is first
200
There are _____ seconds in an hour.
What is 3600
300
Mass is measured in ____
What is kilograms
300
Conservation if momentum follows from this
What is the law of conservation of energy
300
A joule is equivalent to ____.
What is N•m
300
There are 1000 meters in a _____.
What is a kilometer
400
Force is measured in ____
What is newtons
400
A 75 kg person walking around a corner bumped into an 80 kg person who was running around the same corner. The momentum of the 80 kg person _____.
What is decreased
400
Energy stored in the gravitational field of interacting bodies is _______.
What is gravitational potential energy
400
An object in equilibrium has to be moving at a _____ velocity
What is constant
400
Convert 234 meters to kilometers.
What is .234 kilometers
500
power is measured in _____
What is watts
500
Two swimmers relax close together on air mattresses in a pool. One swimmer's mass is 48 kg, and the others mass is 55 kg. If the swimmers push away from each other, the their total momentum _____.
What is doubles
500
Energy associated with acpressed or stretched object is ____.
What is elastic potential energy
500
A stationary object tends to resist being ____.
What is moved
500
Convert 4 and 1/2 hours to seconds.
What is 16200 seconds