Newton's Laws
Lesson 1
Lesson 2
Vocabulary
Potpourri
100
Newton's First Law of Motion states that _______________________ unless an unbalanced force acts upon it.
What is an object in motion remains in motion?
100
a push or pull
What is a force?
100
the force of attraction between any object and every other object in the universe
What is gravitational force?
100
Unbalanced forces on a object cause _________
What is acceleration?
100
What is the difference between speed and velocity? a. speed measures linear speed only b. speed does not include a time measurement c. velocity is the speed of an object
What is c. velocity is the speed of an object?
200
This law of motion states that an object at rest remains at rest unless ____________________________________.
What is an outside force acts upon it?
200
A tool used to measure force
What is a spring scale?
200
How can you measure the Earth's gravitational pull on any object?
What is weigh it?
200
The mass and acceleration of an object determines its __________.
What is force?
200
If there is a 3-N force pulling to the left and a 3-N force pulling to the right, what kind of movement would you expect to see?
What is no movement?
300
Newton's second law states the greater the ___________, the smaller the _____________________.
What is the greater the mass, the smaller the acceleration?
300
the force that resisist the movement of one surface past another
What is friction?
300
If the distance between objects increases, the gravitational force ____________________.
What is decreases?
300
An object remains at rest unless a force acts on it because of its _________________.
What inertia?
300
If a baseball, a tennis ball and a table tennis ball (ping pong ball) are all thrown with the same amount of force which one will have the greatest acceleration?
What is the table tennis ball?
400
A billiard ball hits another ball into a pocket at the corner of the table. Which of the following explains what happened. a. The first ball slowed because it gave some of its momentum to the second. b. When the balls collided both balls lost momentum. c. When the balls collided both balls gained momentum.
What is a. The first ball slowed because it gave some of its momentum to the second?
400
If two balls are rolled across a surface with the same amount of force, which will move farther, one moving on a tile floor or one moving on grass?
What is the one rolling on tile?
400
Earth's gravitational force will have the greatest affect on a. a person on top of Mount Everest b. a person standing at sea level c. a person in an airplane
What is b. a person standing at sea level?
400
The speed and direction of an object is its
What is velocity?
400
A runner travels 3 km. in 30 minutes. What is the speed of the runner?
What is 6 km/h?
500
Newton's second law shows the relationship between three quantities. Name them
What are force, mass, and acceleration?
500
The type of friction makes it difficult to start moving a box across the floor.
What is static friction?
500
What force keeps the Moon from shooting straight out into outer space?
What is the gravitational pull of the Earth?
500
The product of mass and velocity is ________.
What is momentum?
500
_________________________ causes the change in daily tides.
What is the Moon's gravitational pull on Earth?
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