WorksheetsHookes Law
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
Who discovered Hooke's law?
a)
Robert Hooke
b)
Charlie
c)
Newton
2.
If the original length of a spring is 20m and its extended length is 30m. What is the extension?
a)
20m
b)
12m
c)
75m
d)
45m
e)
10m
3.
___________ is the unit of force
a)
Km
b)
cm
c)
m
d)
N/cm
e)
N
4.
________________ force acts on an object when it falls.
a)
Gravity
b)
Electromagnet
c)
Upthrust
5.
__________________ is the force acting on two rubbing hands
a)
Gravity
b)
Upthrust
c)
Friction
6.
An elastic material can change shape when ________ is exerted on it.
a)
a force
b)
a moment
c)
an acceleration
7.
When you apply a force to an object, the object can change shape. If tension is applied, the object may be stretched. We say the object has been __________.
a)
compressed
b)
extended
c)
twisted
8.
The _________ of an object is the increase in its length when it is stretched.
a)
compression
b)
extension
9.
Hooke's Law fails when a material reaches its:
a)
breakdown
b)
elastic limit
c)
end of tether
d)
fracture stress
10.
A graph of extension against force for an elastic material is:
a)
A downward curve
b)
An upward curve
c)
A straight line from any point on the x and y axis
d)
A straight line from the origin
11.
If the Earth's gravitational field strength is 10N/kg, how much weight does a 100g mass have in Newtons?
a)
100g
b)
10N
c)
1N
d)
1000N
12.
If extension = Stretched length - original length. What is the extension of spring D.
a)
1mm
b)
2mm
c)
3mm
d)
0mm
100 %
