Vocab 1
What is Force?
A push or pull one body exerts on another
What is Work?
When a force causes an object to move
What type of energy are Potential and Kinetic apart of?
Mechanical
A vehicle decelerates at the rate of -2.0m/s². If the mass of the vehicle is 22lbs, what is the force causing the deceleration?
F=-20.0N
If I push a 4kg wheelie chair and it accelerates 1 m/s, how much force is needed?
F=4N
What is Acceleration?
The Rate of change in Velocity
What is Power?
The rate of doing work
What energy is a microwave an example of?
Light Energy
If 0.478 kilowatts of power are used in 14 seconds to move a desk along the floor, how much work was done?
P=432 watts
If Mrs. Hengstenberg´s dog travels 60 meters in 20 seconds, whats its velocity?
V=3m/s
What is Gravity?
A force of attraction between two objects due to their mass and the distance between them
What is Energy?
The ability to do work
What is the law of Inertia?
An object at rest or in motion will stay that way, unless acted upon by a net external force or an unbalanced force.
If I push a 12 pack of celsius with a force of 1600N for 200 cm, how much work am I doing?
W=3200J
If Kobe Bryant (Bella Bryant´s Dog) has a mass of 115lbs, how much does he weight?
512.27N
What is Net Force?
The sum of the forces acting on an object
What is Weight?
Weight is a force of gravity
Did an apple actually fall on Newtons head?
An apple did NOT fall on his head!
If a bag of Trader Joe's takis falls of a desk from rest for .45 seconds, whats the final velocity?
FV=4.41m/s
If I push a water bottle with a force of 3 N, 2 meters to the right, How much work was on the bottle?
W=6J
What is Terminal Velocity?
The fastest velocity that is reached by a falling object
What is Mass?
A measure of how much matter an object is made of
Name all 7 types of energy
Mechanical, Electrical, Light, Sound, Chemical, Heat, Nuclear!
What's the mass of an object if it weights, 290N?
65lbs
If I say hi how do you respond?
HII!