Mechanical Advantage
This simple machine creates mechanical advantage by changing the direction of a force.
What is pulley?
Levers can create this type of mechanical advantage:
What is increase the magnitude of a force?
Another name for an inclined plane is a ____________.
What is ramp?
Here at school, you could see a pulley on a ______________.
What is flagpole?
The wheel and axle is made up of two parts: the wheel that turns on a post, which is called the __________.
What is axle?
These 4 simple machines create mechanical advantage by increasing the distance and speed of a force
What are inclined planes, levers, screws, and wheel & axles?
The push or pull that turns a lever is the ____________.
What is force?
If you use an inclined plane, the distance is longer, but it takes less _______________.
What is effort?
The pulley uses a ____________ and rope to lift a load.
What is wheel?
You create a screw when you wrap on inclined plane into a _______________ around a pole.
What is spiral?
This is the type of mechanical advantage that we want from a machine.
What is a ideal mechanical advantage?
A lever is a board or bar that moves on a _______________.
What is fulcrum?
An inclined plane creates mechanical advantage by increasing the ____________ and ____________ of a force.
What is distance and speed ?
Two inclined planes placed back to back make this simple machine.
What is a wedge?
Using a screw takes ______________ force than pounding a nail.
What is less?
This is the type of mechanical that we actually get from a machine.
What is actual mechanical advantage?
The fulcrum the fixed point where a lever __________.
What is pivots?
Which of these is NOT an example of an inclined plane?
- ramps
- stairs
- escalator
- elevator
What is elevator?
The mechanical advantage of a wedge is....
What is transfers a force from object to another?
A wheel and axle helps us by increasing the __________ and ________ of a force.
What is distance and speed?
The 4 ways in which simple machines help create mechanical advantage are:
What is:
1. transferring a force from one place to another
2. changing the direction of a force
3. increasing the magnitude of a force
4. increasing the distance or speed of a force
A lever can let you change direction or the amount of _____________ needed.
What is force?
Scientists think inclined planes may have been used to build the _______________ because the blocks were too heavy to move straight up.
What are pyramids?
A pulley helps us by changing the ___________ of a force.
What is direction?
The screw creates mechanical advantage by increasing the _______________ of a force.
What is magnitude/size?