Elasticity Flashcards
1
Q
Elastic objects can store elastic potential energy when they are ……. or ………
A
Stretched or squashed
2
Q
What is done when an elastic object changes shape
A
Work is done
3
Q
The extension of an object is directly proportional to the
A
Force applied to it
4
Q
The increased length of a stretched object is called its
A
Extension
5
Q
F is the what
A
Force in newtons
6
Q
K is the
A
Spring constant in newtons per meter
7
Q
E is the
A
Extension in meters
8
Q
The equation only works if the …….. isent reached
A
Elastic limit
9
Q
Extension is calculated by
A
New length of spring minus unloaded length
10
Q
The greater the spring constant the what the spring
A
Stiffer
11
Q
The extension of a spring can be worked out by measuring its
A
Length when different forces are applied to it
