This occurs when an object changes position relative to a reference point.
What is motion.
100
This includes the speed and direction of an object.
What is velocity.
100
Force is defined as this.
What is a push or pull on an object.
100
This law of motion is also known as the Law of Inertia.
What is Newton's 1st Law of Motion.
100
This is any two masses that exert an attractive force on each other.
What is gravity.
200
These are the 3 terms used to describe motion.
What is time, distance, and speed.
200
What are the common units for acceleration?
What is m/s^2, km/hr^2.
200
Net force will equal zero when...
What is forces acting on the object are equal.
200
The tendency of an object to resist any change in its motion.
What is inertia. (Which is a property of matter.)
200
Gravity depends on the _____ and _____ between two objects.
What is mass and distance.
300
What is the equation for speed and its common unit of measurement?
What is v=d/t; km/hr and m/s.
300
Negative acceleration occurs when...
What is initial velocity is greater than final velocity. (When velocity decreases.)
300
Force is dependent on these 2 factors.
What is mass and acceleration. (F=m x a)
300
Newton's 3rd law states...
What is for every action there is an equal and opposite reaction.
300
A projectile follows a(n) _____ path with this type of motion.
What is curved path with horizontal and vertical motion.
400
Becky leaves home and rides a distance of 30 km. It took her 2.5 hours. What is her speed?
What is 12 km/hr.
400
What is the acceleration of an object that has an initial velocity of 15 m/s and a final velocity of 3 m/s over 4 s? Is this acceleration positive or negative?
What is -3 m/s^2, acceleration is negative.
400
The type of friction in which 2 surfaces are not moving past each other or moving past each other at an extremely slow rate.
What is static friction.
400
It takes less force to move a ping pong ball than a golf ball. Which of Newton's Laws is this an example of?
What is Newton's 2nd Law of Motion.
400
This is the force you feel when going through a loop on a roller coaster.
What is centripetal force.
500
An airplane leaves Orlando, Fl and travels 540 miles to Washington D.C.. The flight takes 90 minutes. What is the speed of the plane in mi/hr?
What is 360 mi/hr.
500
A watermelon is dropped, after 7 seconds, its velocity is 49 m/s. What is its acceleration?
What is 7 m/s^2.
500
In the sport of curling this type of friction is observed.
What is sliding friction.
500
In order for a 12 pound bowling ball to travel with the same acceleration as an 8 pound bowling ball what needs to occur?
What is a greater force must be applied.
500
The Moon has a greater effect on tides than the Sun because it has a greater ____ pull due to the Moon's ____ from the Earth.