Momentum
Force & Motion in 2 D
Forces
Vector Addition
A Mathematical Toolkit
100
The linear momentum of an object can be calculated by multiplying the mass of the object by its ________.
What is VELOCITY
100
The equilibrant force is __________ the resultant.
What is equal in magnitude but opposite in direction to
100
According to Newton's ____ law, an object with no net force acting on it remains at rest or in motion with a constant velocity.
What is Newton's First Law
100
The downstream velocity of a river that flows south _________ a boat's eastward velocity.
What is Has NO Effect On.
100
The base SI unit for time is the _______
What is Second
200
Impulse can be represented by
What is (F) (DELTA) (t)
200
The horizontal acceleration of a projectile __________ as its position changes.
What is IS ZERO
200
Losing speed as you ride your bike uphill demonstrates Newton's ___________ law.
What is Newton's 2nd LAW
200
When adding vectors graphically, the direction and length of each vector must ____________.
What is Not Be Changed.
200
In scientific notation, a number between 1 and 10 is multiplied by __________.
What is A Whole Number Power of 10.
300
A person is standing on roller blades and is holding a heavy medicine ball. If he throws the medicine ball horizontally to the right, what will be his resulting motion?
What is To The Left.
300
The initial horizontal velocity of a projectile ___________ its final horizontal velocity.
What is Equal To.
300
If you push against a wall, the wall pushes back against you with __________ force.
What is Equal
300
You walked 10 km west and then ran 10 km north. During each part of the journey, the ____________ was the same.
What is Distance
300
The metric prefix that means 1/1 000 000 000 is ________?
What is "Nano"
400
An internal force ___________ the total momentum of a closed system
What is Does Not Change
400
An object in circular motion travels a distance of _________ during its period.
What is 2 (3.14) r
400
An object is in equilibrium if ___________
What is "the net force on it is zero."
400
A hiker walks 15 km due east, then heads due north for 8 km. What is the direction of the resultant vector?
What is Northeast
400
To avoid parallax errors, laboratory instruments should be read at?
What is "Eye Level"
500
The greatest change in momentum will be produced by a ___________
What is A Large Force Acting Over a Long Time.
500
For a fast ball to pass the height of a batters chest, the pitcher must aim the ball _______________.
What is -- just above the height of the batter's chest.
500
Mass and Weight are related by ________.
What is The Force of Gravity
500
A swimmer wants to swim due east in a stream that flows due south. In which direction should the swimmer swim?
What is Northeast.
500
The slope of a straight-line graph is the rise _______ the run.
What is "Divided By"
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