The study of motion
What is mechanics?
What is Solar Energy?
a simple machine consisting of a flat surface whose opposite ends are at different heights.
What is an inclined plane?
While on vacation, you travel by car from your home to Florida. You travel 1232 km in 14 hours. What is your average speed.
88km/h
Any quantity that consists only of magnitude.
What is scalar?
The study of how things move
What is kinematics?
energy from the wind
What is wind energy?
consists of two planes connected with an acute angle at one end and thinner at the other.
What is a wedge?
What is the displacement of the man if he walks 9m west, 16m south, and 14m east?
16.76m SE
The curved path that a projectile follows.
What is trajectory?
Movement along a circular path
What is circular motion?
a fuel that has formed from the remains of plants and animals that lived in the past
What is a fossil fuel?
a simple machine that consists of a rigid bar that turns about a pivot point.
What is a lever?
Ships travling through a canal must use a ship lift because there is significant elevation difference between the sections of the canal. How much work does the lift do of it applies a force of 13,230,000 N to lift a ship the elevation difference of 73.15m from one section of the canal to the next?
13,230,000x73.15= 967,800,000 Nxm (newton meters)
the measure of the change in input when needed to do a certain amount of work
What is mechanical advantage?
Motion thats path is determined by the influence of an external force only.
What is projectile motion?
the sum of the kinetic energy and all the forms of potential energy in a system
what is mechanical energy?
a simple machine that consists of a wheel with teeth that surround its perimeter.
What is a gear?
The Mars rover Curiosity, which landed on the Red Planet in 2012, has a mass of 899kg. What is Curiosity's weight on Earth? What is its Weight on Mars if the acceleration due to gravity on mars is 3.71 m/s2?
Mars= 3340N
The point at which a lever turns, or pivots, is called the _________
What is a fulcrum?
Sketch a free body diragram that expresses a stationary object
chemical potential energy obtained from renewable organic materials
What is biomass energy?
a combination of multiple pulleys
What is a block and tackle?
A baseball bat with a mass of 1kg is swung at 33.5 m/s and hits a baseball that has a mass of 0.150kg. If all the bats kinetic energy is transferred to the ball, how fast will the batted ball travel?
Vball= 86.5 m/s
a wave that is moving even though the locations of the crest and trough appear to be stationary.
What is a Standing Wave