Pulley Mechanisms
The pulley system in an apartment building.
What is an elevator?
A 2 wheel mode of transportation that uses a gear system.
What is a bicycle?
The movement of an object in a circular path along a fixed point called an axis.
What is rotary motion?
6 types of simple machines.
What are an inclined plane, a lever, a pulley, a screw, a wheel & axle, and a wedge?
An example of a mode of transportation that affects the environment in a negative way.
What is a gas-powered car?
The pulley system used to move heavy loads on a construction site.
A type of gear that has teeth that are at an angle and looks like a crown.
What is a crown gear?
Movement that occurs in a straight line.
What is linear motion?
A simple machine that uses a fulcrum (a fixed point).
What is a lever?
An example of a mode of transportation that affects the environment in a more positive way.
A bicycle/an electric vehicle.
The pulley system that lifts water from deep in the ground.
What is a well?
A type of gear that connects to a screw called a worm to increase rotational force (torque).
What is a worm gear?
A salad spinner is an example of a linear/rotational force.
What is rotational force?
A complex machine that uses a lever and a wedge?
What are scissors?
A mode of transportation that carries a lot more passengers than a car or van which means less vehicles are on the road to reduce emissions.
What is a bus/an LRT/a subway/a train/a street car?
One of the 3 types of pulley systems that has a wheel in a fixed location and the load is attached to a rope. Pulling the rope causes the load to rise.
A first gear that moves clockwise would make the second gear turn __________.
What is counter-clockwise.
A rack (a linear gear) and a pinion (a circular gear) is a mechanism to ________ motion.
What is transform?
A complex machine that uses a wheel & axle and a pulley system through its chain system.
What is a bicycle?
More of these around big factories will improve our air quality.
What are trees?
One of the 3 types of pulley systems that is a combination of a fixed pulley and a moveable pulley. It requires 2 pulleys.
What is a compound pulley?
A first gear with more teeth would make the second gear turn faster/slower than it.
What is faster?
An example of something that uses a rack and pinion.
What is a gate/a steering system in a car?
A cylinder that has an inclined plane wrapped around it. This type of simple machine can be twisted into an object to connect it to another object.
What is a screw?
An example of a complex machine that destroys animal habitats.
What is a chainsaw?