7TH-EOC-10 Question Preview (ID: 28809)


7TH-EOC-10. TEACHERS: click here for quick copy question ID numbers.

Mechanical Advantage equals
a) Resistance force X effort force
b) Resistance force ÷ effort force
c) Resistance effort X resistance force
d) Resistance effort ÷ resistance force.

MA is ______________________.
a) Mass.
b) Metric arithmetic.
c) Mechanical mass.
d) Mechanical advantage.

MA equals
a) Length of incline ÷ height of incline.
b) Mass of load X length of incline.
c) Length of incline ÷ height of load lifted
d) Length of incline X height of load

The greater the ________________, the easier it is to do the work.
a) Mechanical advantage
b) Load
c) Mass load
d) Mass advantage

How much force must be exerted on a 15-gram ball that is sitting on the end of a lever that is 10 cm from the fulcrum? The distance from the fulcrum to the force is 20 cm.
a) 3 .0
b) 30.0
c) 300.0
d) 3000.0

When using he Engineering Design Process to solve a design problem, _________ is one of the first steps in solving the challenge.
a) Brainstorming
b) Making a Model or Prototype
c) Testing and Evaluating the Design using Specifications
d) Creating or Making it

When using the Engineering Design Process to solve a design problem, _________ is one of the last steps in solving the challenge.
a) Brainstorming
b) Selecting an Approach
c) Developing a Design Proposal
d) Communicating Processes and Results

When using the Engineering Design Process to solve a design problem, _________ involves selecting a promising solution based on a thorough analysis of criteria and constraints.
a) Identifying Criteria and Specifying Constraints
b) Exploring Possibilities
c) Selecting an Approach
d) Developing a Design Proposal

Creativity is defined as the _________ to create.
a) Desire
b) Ability
c) Quality
d) Initiative

Technology is defined as the practical application of __________________ especially in a particular area such as engineering or medical technology.
a) Skills
b) Engineering
c) Knowledge
d) Inventions

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