Simp for Machines
List 4 simple Machines
- Lever
- Wheel and axel
- Inclined plane
- Wedge
- Screw
- Pully
Do we need to memorize the formulas for the upcoming test?
No
Name 3 of the 4 forces found in nature?
Gravational, Electromagnetic, Weak and strong Nuclear Force
What is the name of the galaxy our solar SYSTEM is in?
The Milky Way
Everytime we took a step we would continue to slide endlessly until we hit an object
What country what the first to use paper currency?
China
A knife is an example of which of simple machine?
A wedge
What is the formula Fg = M x g help us find?
The gravitational force on an object or its weight
What is the force of gravity in Newtons?
What animal has the most hearts?
The idea that everything is attracted to everything else is known as ...
Gravity
What is a simple Machine?
A device that requires a single force and is usually made of one or two parts
What is the formula for finding the Mechanical Advantage of a ramp?
MA = Length of the ramp divided by the height of the ramp
What are the 2 components used in forces
The magnitude and the direction
When is the next Drake album releasing?
May 15th
Mass is the amount of matter that we have.
Weight is the measure of the gravitational force that acts on an object.
Mass will never change but Weight will change with different gravitational forces. EX being on the moon
Explain what makes a lever a first class lever?
The fulcrum is in between the effort arm and load
Output force / Input force
Name 3 different types of Electromagnatic Forces we use.
Tensile,
What year were the Toronto Raptors founded?
1995
The unit of work is measured in ...
Joules (J)
What are the 3 ways a wheel and axel can be used to transfer motion.
Rotary to Rotary (bike pedals turn wheels)
Linear to Rotary ( Door handle)
Rotary to Linear (rolling pin)
Define each variable in the formula W = F x D
w = work
f = force
d = direction
Charlie tried to push a car. He used 500N of force but the car did not move. How much work was done on the car? What happened to his energy?
No work was done on the car. His energy was wasted as it was used up by his muscles.
What is the national animal of scotland?
A Unicorn
What is the difference between Static Friction and Sliding Friction?
Static Friction - The force that prevents two surfaces at rest from sliding against one another
Sliding Friction - The force that goes against a moving object causing it to slow down and stop