WorksheetsTOPICAL TEST TOPIC 11
Total questions: 10
Worksheet time: 5mins
Which of these cannot undergo deformation?
A piece of wood
Orange juice
Rigid body
Hydrogen gas
Stress has the same unit as ...
Sound intensity
Work
Pressure
Strain
The force that is applied on an object must be applied ___ to the surface of the object.
parallel
perpendicular
at an angle θ
True or False: Plastic deformation occurs when a material behaves within its elastic limit.
True
False
A ductile material ...
break without deforming
changes its shape and size before breaking
A brittle material ...
break without deforming
changes its shape and size before breaking
What is material A?
Plastic
Cast iron
Glass
Titanium
What is material B?
Plastic
Cast iron
Glass
Titanium
Young's modulus is defined a
Tensile strain/Tesnsile stress
Tensile stress*Tensile strain
Tensile stress/Tensile strain
Length/area
A wire is stretched 3 mm by a force of 150 N. Assuming the elastic limit is not exceeded, the force that will stretch the wire 5 mm is:
150 N
90 N
250 N
450 N
