Exploring Ocean Forces
When you added more force to your paddle, what happened to the water in the wave tank?
The water made more waves (more motion)
Is this balanced or unbalanced?
100 N <------ ------> 100 N
Balanced
What is the equation?
F = ma
What was Isaac Newton's greatest discovery?
The laws of motion
What is a force?
A push or pull that causes an object to change its motion.
The waves moved faster and there was more water splashing (had more motion)
Is this balanced or unbalanced?
50 N <---- -------> 100 N
Unbalanced
If the mass of an object increases, the force applied to the object must ____________ for it to have the same motion (acceleration).
increase
How many laws did Newton discover?
3
What is motion?
The act or process of changing position or location.
OEC Devices: Explain what happened when you removed the funnel and poured the water directly to your turbine. Why did this happen?
The water turbine moved faster (had more motion) because there was more mass of water falling on it.
Is this balanced or unbalanced?
Isabella is picking up her plant as she cleans her room. She is pulling the plant up with a force of 20 N. Earth's gravity is pulling the plant down with a force of 15 N.
Unbalanced
Emmy and Janice are competing in a shot put competition. Emmy throws a shot (ball) with a mass of 6 kg. Janice throws a shot with a mass of 4 kg.
If they have the same acceleration, which athlete used less force on the shot (ball)?
Janice, because her shot had less mass.
What type of scientist was Isaac Newton?
Physicist
What is mass?
The amount of matter in an object.
A dart player is throwing darts with the same force. The blue dart has a mass of 31 kg, the red dart has a mass of 25 kg, and the green dart has a mass of 19 kg.
Put the darts in order from larger acceleration to smaller acceleration.
What is named after Isaac Newton himself?
The units for force (Newtons)
What is an independent variable?
Something YOU change in an experiment or investigation.
A ship carries different loads of objects with the same acceleration. Cannons = 100 kg, Logs = 30 kg
Which load will need a larger force: 5 cannons or 10 logs?
5 cannons
When OR where was Isaac Newton born?
England, 1642
What is a dependent variable?
Something you measure in an experiment. It changes due to what you are testing.