P1.1.2 - Squashing and Stretching Flashcards Preview

SHHS - Science - P1.1 - Forces - Year 7 > P1.1.2 - Squashing and Stretching > Flashcards

Flashcards in P1.1.2 - Squashing and Stretching Deck (9)
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1
Q

What is the scientific word for ‘changing shape’?

A

Deform

2
Q

Explain how the reaction force works.

A
  1. The floor is a solid and made from particles.
  2. Your weight pushed the particles together.
  3. The bonds holding the particles together are compressed.
  4. 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