Forces Flashcards
1
Q
Mass forces
A
Measured of amount of matter in the object
2
Q
What is it measured in
A
Grams or kg
3
Q
What is a force
A
A push or a pull
4
Q
What is forces measured in
A
Newtons
5
Q
Two types of forces
A
External and internal
6
Q
What is an external force
A
An action on the structure from the outside
7
Q
What is an internal force
A
Is a result of the external force
8
Q
Internal forces can change the shape what is this change called
A
Deformation
9
Q
Types of internal forces
A
Tension- pulling ends apart
Shear-bend or tear
Torsion -rotate
Compression -squeezing together
10
Q
How is work calculated
A
Work =force * distance
11
Q
Pneumatic pressured and forces
A
Produced at 10 bars
Used at 0-6 bars
Forces up to 5000kg
12
Q
Hydraulic pressure and forces
A
Produced at 200-400 bars
Forces up to thousands of tones
