Vocab
A push or a pull that can change the motion of an object.
Force
This is required to change the velocity of an object
Force
An object at rest stays at rest and an object in motion stays in motion unless acted upon by a force
Newton's first law of motion
At dinner, Hans passed the salt shaker to his sister Jessica by sliding it across the wooden table. The salt shaker gradually slowed down and stopped after moving 12 centimeters.
Why did the salt shaker stop moving?
The floor exerted a force opposite to the salt shaker
The name of Miss H's dog
Renfrow
Speed in a particular direction
Velocity
Friction applies a force in this direction compared to the direction the object is moving
Opposite
For every action, there is an equal but opposite reaction
Newton's third law of motion
Three golf balls with the same mass were rolling on the ground. Each ball was hit by a golf club, but not from the same direction. All the golf balls changed speed as a result of being hit. The purple ball sped up by 4 m/s, the white ball sped up by 4 m/s, and the green ball slowed down by 6 m/s. Which ball experienced the strongest force when hit?
The green golf ball because it changed speed the most
Miss H has this many sisters
2
To apply a force
Exert
When the same strength force is exerted on two different objects, but the objects are affected differently, this is the reason why.
The objects have different masses
The acceleration of an object is dependent upon two variables-the net force acting upon the object and the mass of the object
Newton's second law of motion
Juno, Melissa, and Anna have skateboards that are the same mass. They were playing with their skateboards on a flat street when another skateboard came along and bumped their skateboards, but not from the same direction. Each skateboard changed speed as a result of being bumped. The red and brown skateboards both sped up by 3 m/s and the green skateboard slowed down by 4 m/s. Which skateboard(s) experienced the strongest force when bumped?
The green skateboard experienced the strongest force because the velocity had the greatest change
Miss H loves to do this in her free time
Read
An event or process that leads to a result or change
Cause
When two forces collide, the forces occur in this direction
Opposite
You are thrown off the front of a 4-wheeler when it runs into a fence. This is an example of which law of motion?
Newton's first law of motion
Engineers are designing a new car and they need to test their ideas by modeling crashes with different types of trucks. They are using a more massive garbage truck for Crash 1 and a less massive pickup truck for Crash 2. The green test car has the same mass in both crashes. The garbage truck and the pick up truck both sped up by 2 m/s. In which crash did the green test car experience the strongest force?
The crash with the garbage truck because the garbage truck has more mass but still changed the same velocity has the pick up truck
Miss H has about how many AWESOME 6th grade science students?
150
The moment when two objects hit each other
Collision
This causes objects in a collision to have different velocities
Mass
You run into your friend while skating and both of you fall in opposite directions. This is an example of which law of motion?
Newton's third law of motion
Scientists created models that show a rocky asteroid crashing into a moon (less mass) and a planet (more mass). In both crashes, the asteroid was the same mass. Scientists want to know what happened to the asteroid. The moon sped up by 2 km/s and the planet sped up by 2 km/s. In which crash did the asteroid experience the strongest force?
The force on the planet was stronger because the planet is heavier but still changed by the same amount
Miss H has a degree in this subject
Chemistry