15 questions
What biomechanical principles are studied in physical education?
Levers and Force
Opposition
Inertia
Rotary Motion
All of the above
The 4 main parts of a lever are the rod, fulcrum, load, and effort.
True
False
Which is a simple machine?
Fulcrum
Load
Effort
Lever
How many classes of levers are there?
1
2
3
4
You determine what class a lever is by the part that is in the middle.
True
False
If the fulcrum is in the middle of the lever what class is it?
1st
2nd
3rd
4th
If the effort is in the middle of the lever what class is it?
1st
2nd
3rd
4th
If the load is in the middle of the lever what class of lever is it?
1st
2nd
3rd
4th
What class of lever is shone in the picture?
1st
2nd
3rd
4th
A lever is a rigid structure (bone/bar) that rotates around on an axis.
True
False
Where is the fulcrum for levers on the human body located?
Muscles
Bones
Joints
Ligaments
Force is a push or pull on an object to create movement.
True
False
If I put more force on a lever the lever will move the object easier.
True
False
This is the quality in matter (matter is anything you can touch) that lets it stay still if it is still, or keeps it moving if it is moving. This is Newton's 1st law.
Lever
Inertia
Rotary Motion
Opposition
An example of rotary motion is...
Walking in a straight line
Jumping up
Moving in a zig zag pattern
Performing a forward roll