Newton's Laws of Motion
What is Newton's First Law of Motion?
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an outside force.
What is acceleration?
Speeding up
Two people want to move a bookshelf in opposite directions. They push with the same force. Is these balanced or unbalanced forces?
Balanced forces
How do you calculate speed?
Distance divided by time
What is a force?
A push or a pull
What is Newton's Third Law of Motion?
For every action, there is an equal and opposite reaction.
What is gravity?
The force that pulls you down to Earth
Give an example of a force.
Answers may vary.
Three people run a 5K race. Person A runs in 30 minutes. Person B runs in 35 minutes. Person C runs in 25 minutes. Who ran the fastest?
Person C
A girl is sledding down a hill. The sled hits a rock and the girl flips forward. What is the outside unbalanced force?
The rock
A bowling ball requires more force to push than a tennis ball. Which of Newton's Laws does this apply to?
Newton's Second Law
What is it called when two objects are rubbing together?
Friction
If an object is acceleration, the forces acting on the object are...
unbalanced.
Three people run for 10 minutes. Person 1 runs 1 mile. Person 2 runs 1.3 miles. Person 3 runs 1.2 miles. Who ran the slowest?
Person 1
A basketball is falling down. What will happen to its motion when it hits the ground?
Change directions
You are riding your bike really fast. Your front tire hits a large rock, stopping the bike. What happens to you? and Which law does this apply to?
You will continue moving forward because of Newton's First Law.
What is the amount of matter in an object?
Mass
Which object will require more force to move, a dictionary or an empty folder?
Dictionary
Susie drives 100 miles in 2 hours. What is her speed?
50mph
What happens to the motion of a bowling ball when it hits the pins?
Slows down
The action force is your feet pushing down on the floor. What is the REACTION force?
The floor pushing up on your feet.
The tendency of an object to keep doing what it is already doing is...
Inertia
List two forces acting on you when you are sitting in a chair.
Gravity is pulling down and the chair is pushing up.
Billy runs 6 miles in 1 hour. What is his speed?
6 mph
Give an example of Newton's Third Law of motion.
Answers may vary.