Speed of Objects
To calculate average speed you take the distance traveled divided by this.
What is time
Velocity of an object includes both____________ and __________________.
What is the speed of an object and the direction of its motion.
A ______________ force is when two or more forces act on an object.
What is net
According to Newton's second law of motion, ___________ depends on an object's mass and the net force acting on an object.
What is acceleration
Anything that is shot or thrown through the air
What is a projectile
______________ is the rate at which an object is moving at a given instant.
What is instantaneous speed
To calculate an object's change in velocity you would take _____________ minus ____________.
What is final velocity; initial(starting) velocity
In physical science, a push or pull is called______________.
What is force
A person traveling in a car that suddenly stops keeps moving forward because of ____________.
What is inertia
Gravity is when any two masses exert this kind of force on each other.
What is attractive
If a person travels 40 kilometers(km) in two hours, what is that person's speed?
What is 20 kilometers per hour
Double time! Acceleration is measured in this SI unit.
What is meters per second per second (m/s^2)
Air resistance is a type of this...
What is friction
This of Newton's 3 Laws states that for every action there is an equal and opposite reaction.
What is Newton's third law
The SI unit for force/weight is measured in ____________.
What are Newton's
Average speed is ________________.
What is the total distance traveled divided by the total time.
To calculate the acceleration rate of an object, you must calculate the change in speed during each unit of _____________.
What is time
Tires of a car pressed against the road is this type of friction.
What is rolling
A baseball thrown in space will keep going until it is acted on by an outside force, is an example of Newton's _____ Law of motion.
What is 1st
Bulls-eye! This type of force means toward the center.
What is Centripetal
The SI units of length and time are used to measure speed. Name the basic SI units of length and time.
What are meters and seconds.
In a graph showing speed versus time, a straight line with an angle of zero(slope of zero) would have ______________ acceleration.
What is positive
Opposing balanced forces acting on an object do this.
What is cancel each other out.
The equation for force requires multiplying these two units.
What is mass and acceleration
Multiplying an object's mass and velocity will give you the object's _________________.
What is momentum