Energy Part 1
What is MOVEMENT?
A push or pull on an object.
What is FORCE?
The ability to do work.
The greek and latin root that means "faster".
What is accler?
What kinetic energy is know for... (Ex. the energy of _______)
What is THE ENERGY OF MOVEMENT?
The potential energy of a 300 kg stone on ground.
What is 0 J?
The total force acting on an object.
What is NET FORCE?
A push or pull on an object?
What is Force?
The unit for acceleration.
What is m/s/s?
The equation for kinetic energy...
What is KE=.5mv^2
PE = mgh
g stands for what?
What is GRAVITATIONAL ACCELERATION
Causes no change in motion and has a net force of 0.
What are BALANCED FORCES?
Unit of distance and or height.
What is Meters?
The equation for acceleration.
What is a = (vf - vi)/t?
You throw a ball with the mass of 5kg. When it leaves your hand it has a velocity of 70m/s. What is it's kinetic energy?
What is 12,250 J?
The acceleration rate of gravity. The number assigned to g.
What is 9.8 m/s/s?
A car is driving down the road. The engine of the car has a force of 3,000 N pushing the car forward. The frictional force applied by the road is 2,500 N backward. The net force being applied to the car is...
What is 500 N?
A mouse runs a distance of 20 meters in 20 seconds. What is its speed?
What is 1 m/s?
Rebel (Mr. Griffin's dog) has been entered into a dog race. When the race starts Rebel is moving at a speed of 0 m/s and 30 seconds later is moving at a speed of 60 m/s. What is rebels average acceleration?
What is 2 m/s/s?
You serve a volleyball with the kinetic energy of 1000 J. The ball leaves your hand at a rate of 30 m/s. What is the ball's mass?
A 1500 kg bell is sitting on the top floor of a bell tower that is 300m high. What is the potential energy in the bell?
What is 4,410,000 J?
A plane has a weight of 200,000 N. The plane has lift force of 250,000 N. The gravitational force being applied to the plane is...
What is 200,000 N?
States "for every action there is an equal and opposite reaction".
What is Newton's Third Law?
A ball is dropped from the top of a building its average acceleration is 2 m/s/s. If the ball starts with a velocity of 0m/s and ends with a velocity of 50 m/s. How long did it take for the ball to reach the ground?
What is 25s?