The First Law
Another name for Newton's 1st law.
What is law of inertia?
An instrument used to measure forces, in Newtons
What is a spring scale?
(1/2 points: what is a scale?)
Another Name for Newton's 3rd Law
Law of Action and Reaction
What is the fish tank?
Which of these is an example of kinetic energy? a)skateboarder about to go down a hill b)skateboarder going downhill c)skateboarder at the bottom of a hill
What is b) skateboarder going downhill?
The more mass an object has the more _________ it has. a)force b)acceleration c)inertia d)position
What is c) inertia?
Another Name for Newton's 2nd Law
What is the law of force?
For every action, there is a ______ and _____ reaction.
What is "equal and opposite"?
If dropped at the same time, THIS OBJECT will hit the ground first: a penny, a dime, or a quarter?
What is a QUARTER?
Stored energy in gasoline is an example of ______ energy, and a guy running is an example of _________ energy.
What is potential and kinetic?
True or False: An unbalanced force doesn't affect motion.
What is false
DOUBLE POINTS! It takes 60 N of force to make a bowling ball move. A 25 kg person runs with an acceleration of 2 m/s2 and kicks it. Do they have enough force to make the ball move?
What is NO?
A person holds an apple. The two equal opposite forces acting on the apple come from the person's hand and _____.
What is gravity?
(1/2 points: a force pulling down to the ground)
If they are dropped over a net at the same time, this one will hit the net first: 1 elephant, 30 pencils, 20 bananas, 1 bicycle?
What is 1 elephant?
As a ball rolls down a hill, potential energy (increases/decreases) and kinetic energy (increases/decreases).
What is decreases and increases?
When an object is not moving it is said to have _____ forces acting on it. a)balanced b)unbalanced c)net
What is balanced?
True or false: It takes more force to move an object with less mass.
What is false?
True or false: When a car crashes into a wall, the ONLY force is the one from the car pushing onto the building.
What is False?
DOUBLE OR NOTHING (call over Ms. Brown)
DOUBLE POINTS: The name for the effect of gravity on mass
What is weight?
An egg is dropped out a kitchen window to the ground. It has a lot of (potential energy/kinetic energy) just before it hits the ground, and hits the ground with (friction/impact force).
What is kinetic energy and impact force?
Newton's First Law says an object in motion stays in motion until acted upon by a ________. An object at rest stays at rest until acted upon by a _________.
What is force?
True or False: Force is ALWAYS an interaction between two objects.
What is TRUE?
A soda bottle gets shook up. There is a force from the lid against the soda trying to stay closed. What is the other force working against the lid?
What is the force of the soda coming out of the bottle?
This object has the largest WEIGHT? a soccer ball on the moon OR a tennis ball on the Earth
What is a tennis ball on Earth?
Which TWO of these are examples of potential energy? a)kicking soccer ball b)hot cheetos c)batteries d)a rock on the floor e)an owl flying f)shoving someone
What is b) hot cheetos and c) batteries?