The three common types of mechanisms are levers, ______, and inclined planes. -
Answer✓✓
wheels
Quiz____?
The metric system expresses force in ______. -
Answer✓✓
newtons
Quiz____?
A spring scale is used to measure ______. -
Answer✓✓
force
Quiz____?
The English unit of measure of weight is the ______. -
Answer✓✓
pound-force (lb-f)
1
, Quiz____?
The Law of Moments can be used to determine ______. -
Answer✓✓
both the force needed to balance OR force needed to move a load
Quiz____?
Torque can be calculated by multiplying the distance from the fulcrum and ______. -
Answer✓✓
the force applied
Quiz____?
A force that makes an object rotate about a point is called ______. -
Answer✓✓
torque
Quiz____?
A second-class lever has its ______. -
Answer✓✓
load between the fulcrum and the effort arm
Quiz____?
A third-class lever has its ______. -
2
, Answer✓✓
effort arm between the fulcrum and the load
Quiz____?
A(n) ______ is produced when forces applied to a lever cause it to rotate. -
Answer✓✓
rotational moment
Quiz____?
Mechanical advantage is the ratio of the force required to move a load divided by _____. -
Answer✓✓
the effort force applied
Quiz____?
The mechanical advantage of a third-class lever can be found by the ratio of the length of the
______ arm divided by the length of the ______ arm. -
Answer✓✓
effort, resistance
Quiz____?
The coefficient of friction is the ratio of the force of friction divided by the ______. -
Answer✓✓
normal force
3