Newton's Laws of Motion
What force is required to accelerate a 10 kg object at 5 m/s2?
50 N
mass and velocity
When a roller coaster reaches the maximum point of its incline before going down the hill, it's _______ ________ is at its maximum
Potential Energy
This phase of the moon occurs when the earth is between the moon and the sun.
Full Moon
This planet is the furthest away from the sun.
Neptune
Which law of motion explains why Iron Man is able to propel himself while he flies?
3rd Law
Two skaters push off of each other and move in opposite directions. This law explains why their momentum is the same before and after they push off.
Law of Conservation of Momentum
The Law of Conservation of Energy states that energy...
cannot be created nor destroyed
This phenomenon occurs when the moon passes through the earth's shadow.
Lunar eclipse
An round object that is 20 kg and a round object that is 40 kg are dropped from the same height on Earth... which hits the ground first according to Galileo's research?
Both hit at the same time
What is the reaction force in the following scenario: a hammer hits a nail.
The nail hits the hammer back
A 45 kg ball moving at 3 m/s has this much momentum.
135 kg.m/s
What is the kinetic energy of an object that is 20 kg and is moving at the speed of 5 m/s?
250 J
When the earth, sun, and moon are at a 90 degree angle compared to one another, what type of tides does the earth experience?
Neap tides
If Susie pushes a box with 40 N of force to the right, Jennifer pushes it with 33 N to the left, Johnathon pushes it with 47 N to the left, and Savannah pushes it with 39 N to the right, what is the net force on the box?
1 N to the left
This law explains why a smaller car accelerates faster than a large truck when the same force is applied.
2nd Law
When a truck collides with a stationary car, this happens to the momentum of the truck and the car combined.
It stays the same
When a roller coaster is halfway down the hill, its KE is (greater than, less than, or equal to) its PE.
Equal to
When the moon is at its furthest point away from the earth, it is at its ________.
What is the third step of the Scientific Process?
A ____ kg car is decelerating at 4 m/s2 and 6000 N of force was applied via the brakes. Using Newton's laws of motion, calculate the mass of the car.
1500 kg
What unit is used to measure momentum?
kg.m/s
A 10 kg boy in a plane 50 meters above the ground is flying at a speed of 40 m/s. What is his total energy?
13,000 J
What date is the Spring Equinox?
March 21
Why does the moon appear to go through phases on the Earth?
Because its rotation and revolution happen at the same rate, and we only see when the sun shines on it