Density
Force
Newton
Gravity
Grab Bag
100
What is the density of water?
1 g/mL
100
What is a force
A push or pull
100
The formula to find Force is ...
Force = Mass x Acceleration (F=MA)
100
What objects have a gravitational pull?
All things have gravity!
100
What are the 4 types of friction?
fluid, static, rolling, sliding
200
If an object has a density of 2 g/mL, what will happen when it is placed in water?
It will sink!
200
A block is pushed with 5 N left and 5 N right, what is a good vocab word to describe the net force?
Balanced Forces
200
Newton's first law is the law of _____
inertia
200
what two things affect the strength of gravity?
mass and distance
200
Define the property of an object that resists a change in motion
Inertia
300
Calculate density when mass is 5 g and volume is 10 mL
0.5 g/mL
300
Find net force when an object is pushed with 50 N right and 25 N left
25 N right
300
A shopping cart full of groceries requires more force to move than an empty cart. Which law supports this?
2nd
300
As distance increases, gravitational pulls become ____
weaker
300
Julia kicks a ball across the street, it travels for a while, but eventually comes to a stop. Which type of friction caused the ball to stop?
Rolling Friction
400
Two cubes have the same mass. Cube A has a volume that is twice the size of cube B. Describe how their densities relate to each other.
Cube B is more dense
400
A snowman is being pulled with 5 N of force to the right and 5 N of force to the left. What will happen to the snowman?
It will not move
400
A rocket is able to launch up into space as a result of pushing fuel downward. Which of Newton's laws supports this?
3rd
400
Earth has a gravitational acceleration of 9.8 m/s2, what would be the force it applies to an object with a mass of 10 kg?
98 N
400
What are the two forces acting on circular motion?
centripetal and centrifugal force
500
A cube has a length, width and height of 2 cm and a mass of 4 g. Find density
0.5 g/cm3
500
17 N right
500
Find force when mass is 500 kg and acceleration is 4 m/s2
2,000 N
500
You are an equal distance from planet A and B, but planet B is smaller, what direction are you pulled?
Toward planet A
500
Tyler and Marie have decided to race. Tyler is going to run the race on land and Marie is going to run the race in water. Tyler wins the race, what type of friction is acting on Tyler?
Fluid friction