Gravity
A force of attraction between two masses
What is gravity?
How friction affects an object in motion
What is slowing down or stops the motion?
The formula for pressure
What is P=F/A?
Find the amount of force applied to an area of 30 m with a pressure of 100 Pa
What is 3000 N?
This organ uses the most energy in the body
What is the brain?
The units of measurement for weight gravity
What is N/kg?
Two factors that affect friction
What is weight and surface texture?
When two forces act in the same direction this happens
What is they add together?
A hydraulic press applies a pressure of 5,000 Pa over a piston area of 2 m². Find the force of the piston.
What is 10,000 N?
The number of liters of saliva your body produces each day
What is 1-1.5 liters per day?
The acceleration of gravity
9.8 m/s
Three factors that affect air resistance
What is speed, shape of object, and surface area?
A measurement that accounts for force over a certain area
What is pressure?
A student has a weight of 500 N.
Area of two feet on the ground: 500 cm²
Area of one foot on the ground: 250 cm²
Find the pressure when standing on two feet.
What is 1 N/cm^2?
This is how penguins "propose" to their mates
What is giving a pebble to the mate?
This idea states that gravity is found over the entire universe and affects all objects in the universe
What is the Law of Universal Gravitation?
The term when the force of gravity and force of air resistance are balanced
What is terminal velocity?
When the same force is applied over a smaller area, pressure becomes
What is greater?
A car weighs 12,000 N and rests evenly on 4 tires. Each tire touches the ground over an area of 0.25 m².
What is the pressure on the ground from one tire?
What is 12,000 Pa?
The number of degrees an owl can turn its head without hurting itself
What is about 270 degrees?
This happens to the weight of an object if it is measured on the moon instead of the Earth
What is the weight decreases?
Friction is greater on this type of surface
What is a rough surface?
The red team pulls a tug-o-war rope to the left at 268 N. The blue team pulls the rope to the right at 97 N. What will be the net force on the rope? In which direction will the rope move?
What is to the left at 171 N?
Calculate the velocity of an object by using acceleration of gravity. An object descends for 3 seconds what is the velocity?
What is 29.4 m/s?
The number of noses a slug has
What is 4?