Energy
What is energy?
Mechanical Energy is made up of which 2 types of energy?
What is Potential and kinetic energy.
What are the 3 types of heat transfers?
What is Conduction, convection, and radiation.
What is a force?
What is a push or pull.
What is the difference between speed and velocity?
What is speed is how fast an object is going, and velocity is how fast and in what direction is the object travelling.
What are the 2 types of Energy?
What is Potential and Kinetic energy
Give two examples of types of potential energy?
What is;
*gravitational
*Elastic
*Chemical
*Electrical
*Nuclear
*nuclear
What type of heat mechanism transfers through direct contact?
Ex: Hand touching the hot mug
What is Conduction
What is a balanced force?
What is net force equals to zero and there is no motion.
What is the speed of a sailboat that is traveling 120 meters in 60 seconds?
What is 2 m/s
Where would an object have the greatest gravitational potential energy?
What is at the highest point of an object
Give two examples of types of Kinetic energy?
*Electrical
*Sound
*Thermal
*Wind
*Light
What type of heat mechanism transfers through a medium such as liquids and gases?
Ex: Boiling water
What is convection.
What is an unbalanced force?
What is net force is greater than zero and there is motion.
A plane’s average speed between two cities is 800 km/hr. If the trip takes 4 hrs. how far does the plane fly?
What is 3,200 km
Where would an object have the greatest kinetic energy?
What is the objects lowest point
What type of energy transformation does a person eating a sandwich undergo?
what is chemical to mechanical.
You are stirring a bowl of hot soup with a metal spoon. The spoon starts to feel warmer because of ______________________.
What is conduction
What is Friction?
What is A force that opposes the motion of an object
How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?
What is 40 hours
What does the law of conservation of energy state?
What is, energy cannot be created nor destroyed only transformed.
What types of energy transfer does a battery undergo if used in a flashlight?
What is, chemical to thermal and light.
You are doing your homework at a desk that is underneath a lamp. You start to feel hotter because of ______________________ from the lamp.
What is radiation.
There are 2 objects, one object weights 150 lbs and the other weights 100 lbs. Which object would have more friction applied to it? Why
What is the 150 lbs object because the heavier the object the more friction it will have.
A motorcycle’s velocity at the top of the hill is 11.0 m/s. 4.0 seconds later it reaches the bottom of the hill with a velocity of 20.0 m/s. What is the acceleration of the motorcycle?
a= (V final - V initial)/ time
What is 2.25 m/s^2