Ed slows to a stop on a Slip N Slide.
Is the work done on Ed positive, negative, or zero?
Negative
Eh Soe runs down the hallway so he's not late to class.
Does Eh Soe have KE, GPE, both, or neither?
KE
The slower an object moves, the ________ kinetic energy it has.
less
The higher an object is raised above the ground, the _____ gravitational potential energy it has.
more
Units for Force?
Newtons [N]
What is the equation for work?
W=Fd
A science book is hanging from the ceiling of the room above a student's table.
Does the book have KE, GPE, both, or neither?
GPE
Which location has the greatest kinetic energy?
E
Which location has the greatest potential energy?
B
Units for Energy?
Joules [J]
While doing some stretches, Alexis pushes on a stationary wall.
Is the work done on the wall positive, negative, or zero?
Zero
An eagle is soaring above a river, looking for an easy catch.
Does the eagle have KE, GPE, both, or neither?
both KE and PE
Kinetic energy depends on the ________ and ________ of the object.
mass and velocity
Gravitational potential energy depends on the ________ and ________ of the object.
height and mass
Calculate the velocity of a 35 kg toddler that runs 8 meters southeast in 4 seconds.
2 m/s southeast
Jake lifts a basketball above his head.
Is the work done on the basketball positive, negative, or zero?
Positive
A dog is napping in the middle of the living room.
Does the dog have KE, GPE, both, or neither?
Neither
What's the equation for kinetic energy?
KE=1/2 mv^2
What's the equation for gravitational potential energy?
GPE=mgh
Where did Ms. Loehrke go to college?
Lawrence University
Bella lifts a plate of slime up and then walks forward.
Is the work done on the plate by Bella positive, negative, or zero?
Zero
Analia is halfway down a large waterslide.
Does Analia have KE, GPE, both, or neither?
both KE and PE
Calculate the kinetic energy of a bowling ball moving down the lane at 4 m/s. The mass of the bowling ball is 7 kg.
KE = 56 J
A mountain climber scales Mt. Everest. With their gear, the mass of the climber is 130 kg. They travel 8850 m high. What is their gravitational potential energy?
11,274,900 J
Who is this?
James Prescott Joule