Vocabulary
used to measure an object's motion
reference point
What is Newton's 3rd law?
For every action there is an equal but opposite reaction.
An ice skater pushes harder with his leg muscle, he begins to move faster
Newton's 2nd Law
A force that will eventually cause an object to slow down and stop.
friction
How many stars are on the American flag?
50
the rate at which velocity changes
acceleration
What is Newton's second law of motion?
Acceleration of an object depends on the mas and the amount of force applied.
A car has wheels that spin forwards, they grip the road and push the road backward
Newton's Third Law
A force of attraction between two objects due to their masses.
gravity
What is the biggest state?
Alaska
measure of distance an object moves in a given amount of time
speed
What is Newton's first law of motion?
An object at rest stays at rest and an object in motion stays in motion unless acted on by an outside force.
When you paddle a canoe, the canoe goes forward
Newton's 3rd Law
The amount of matter in an object
mass
Which of the planets in our solar system is closest to the sun?
Mercury
a change in an object's position over time
motion
Newton's first law is also known as the law of
inertia
The harder you hit a golfball with a club the farther the ball will travel
Newton's 2nd Law
gravitational force exerted on an object and measured in newtons
weight
What is a baby kangaroo called
Joey
includes the speed on an object and the direction of its motion
velocity
What is the formula to determine force?
force= mass x acceleration
You are sitting in your mom's car and she stops suddenly to avoid hitting a squirrel and you are thrown forward in your seat kept safe by your seatbelt.
Newton's First Law
Forces are this when the net force on an object is not zero
unbalanced
What is the only mammal that can fly?
bat