Potential and Kinetic
A rope swing in motion shows what type of energy?
Kinetic.
What type of energy is associated with light?
Radiant Energy
(Thermal)
A car is driving 120 miles for 2 hours. what is the speed? don't forget your unit!
120/2=60mph
Tell me the 1st law.
An object in motion, stays in motion. An object at rest, stays at rest. The law of Inertia.
Fill in the blank.
The larger the mass an object has, the _____________it's gravitational pull.
Greater, larger.
A roller coaster is sitting at the top of the hill is what type of energy?
Potential
The bonds found in food is an example of what type of energy.
Chemical Energy.
An object has a mass of 5kg and an acceleration of 3m/s2. What is the force of the object?
Don't forget your units!
15 N.
Tell me the 2nd law.
F=MXA
What is gravity. Do not use " It makes things fall down."
It's the force of attraction between objects
Explain the difference between kinetic and potential energy
Potential energy is stored.
Kinetic is energy found with motion.
Energy that involves energy being stored the nucleus is what type of energy?
Nuclear.
Johny rides his bike to his grandma's house which is 9 miles from his house. He starts his bike ride at 8am and completes his bike ride at 9:30am. What is Johny's speed?
Don't forget your unit!
6mph.
Tell me the 3rd law.
Every action has an equal and opposite reaction.
What three things impact gravity.
1. mass
2. distance
3. air resistance
What unit is used for energy?
Joules.
A windmill involves what type of energy transformation?
____________energy------> _____________energy
Mechanical/Kinetic------> Electrical
A car traveling at a speed of 55MPH for 3 hours. How many miles did the car travel?
165 Miles
Someone jumping on a trampoline and then flying back up into the air is best displaying which law of motion.
3rd law.
If the sun is 109 times larger than the earth. Why doesn't the suns gravitational pull, tug earth into the sun.
Earth is so far away in distance that is lessens the suns gravitational pull on earth.
A 2 kilogram textbook on a shelf 3meters off the ground accelerates at 10m/s2. What is the books potential energy. Include the unit.
2X3X10=60 Joules
The catapults you build in class showed what energy transformation?
__________potential energy-------> ____________energy.
Elastic potential------>Kinetic
A 3kg object is being pushed with a force of 25N. What is the objects Acceleration?
Don't forget the unit!
8.3 m/s2
Lindsey being catapulted off her bike from hitting a huge pot hole best shows which of the three laws?
1st law.
What would happen if falling objects never reached terminal velocity.