P1.1.2 - Squashing and Stretching Flashcards
1
Q
What is the scientific word for ‘changing shape’?
A
Deform
2
Q
Explain how the reaction force works.
A
- The floor is a solid and made from particles.
- Your weight pushed the particles together.
- The bonds holding the particles together are compressed.
- They push back to support you.
3
Q
If you double the force on a spring you will _________ the length of the spring.
A
double
4
Q
When a stetched string pulls back we call it…
A
tension
5
Q
The force of the Earth pushing an upject up is called the…
A
reaction force.
6
Q
The amount that a spring can stretch is called its…
A
extension
7
Q
If you stretch a spring so long that it can no longer go back to its original size we say that the spring has reached its…
A
elastic limit
8
Q
What is the scientific word for ‘squash’?
A
Compress
9
Q
If an object (e.g. a spring) doubles in length when you double the force on it we say that it obeys…
A
Hooke’s Law
