Question 1
Which property of an object cannot be changed by applying forces?
A
mass
B
shape
C
speed
D
volume
Which property of an object cannot be changed by applying forces?
mass
shape
speed
volume
A
A student measures the length of a spring. She then attaches different weights to the spring. She measures the length of the spring for each weight.
The table shows her results.
What is the extension of the spring with a weight of 3.0 N attached to it?
4 mm
5 mm
12 mm
13 mm
D
Four objects each have two forces acting on them.
Which object is in equilibrium?
A