Work and Power
The formula for Work is Force multiplied by _____
What is distance?
Force = mass x acceleration
What is Newton's 2nd law?
When a machine reduces the amount of force needed to do work, we call this?
Where was the first St. Paddy’s Day parade in the United States?
What is Boston?
The formula for Power
What is work divided by time (W/t)?
For every action, there is an equal and opposite reaction
What is Newton's 3rd law?
Bicylces, wheelbarrows, and scissors are all examples of this type of machine.
What is a compound machine?
What did St. Patrick drive out of Ireland?
What are snakes?
The Work needed to push a 400 Newton box a distance of 2 meters.
What is 800 Joules?
An object at rest remains at rest, and an object that is moving will continue to move straight and with constant velocity, if and only if there is no net force acting on that object.
What is Newton's 1st law?
A machine with a sloping surface that reduces the amount of force required to life an object.
What is an inclined plane?
Where was St. Patrick actually born?
What is Britain?
The time needed to produce 720 Joules of Work if 90 Watts of Power is used. Remember to use SI units.
What is 8 seconds?
If an object is accelerating, then it is changing ____ and/or _____.
What is speed and direction?
A machine that moves around a fixed point (fulcrum).
What is a lever?
What is the national flower/emblem of Ireland?
What is the shamrock?
This unit is used to measure Power. It's calculated through the power needed to move 550 pounds one foot in one second.
What is horsepower?
True or False: If an object is not accelerating, then there are no external or internal forces acting on it or the forces on it are balanced.
What is True?
A double inclined plane that moves. Can be used to split things apart.
What is a wedge?
What delicacy is enjoyed at many St. Patrick’s Day celebrations in America?
What is corned beef and cabbage?