ESS 345 FINAL EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
Pound
The SI unit for force is newton, which of the following is the unit in the English system?
Force Composition
What is it called when you take all the independent forces acting on an object and calculate the net
force?
Normal contact force
force Perpendicular to the two objects in contact
Parallel contact force
force Parallel to contacting surfaces of two objects, also known as friction force
True
Concurrent forces are forces that act through the same point but are not collinear, true or false?
1128N
How much does a 115kg barbell weigh in Newton's? (Hint use 9.81◦m/s2) Round to the nearest whole
number
Static Friction
▪Two surfaces not moving on each is the definition of which type of friction?
, true
▪Dynamic Friction is defined as two surfaces moving on each other, true or false?
-Linear Motion
-Rectilinear Translation
-Curvilinear Translation
-Angular Motion
-General Motion
▪What are the 5 Categories of motion
distance divided by time
How is speed calculated?
Displacement divided by time
How is velocity calculated?
when acceleration is constant
Uniform acceleration is defined as:
Magnitude and direction
▪What describes a vector quantity?
an object in the air acted on only by forces of gravity and air resistance
What best describes projectile motion?
Law of Inertia
What is Newton's first law?
WITH COMPLETE SOLUTIONS VERIFIED
Pound
The SI unit for force is newton, which of the following is the unit in the English system?
Force Composition
What is it called when you take all the independent forces acting on an object and calculate the net
force?
Normal contact force
force Perpendicular to the two objects in contact
Parallel contact force
force Parallel to contacting surfaces of two objects, also known as friction force
True
Concurrent forces are forces that act through the same point but are not collinear, true or false?
1128N
How much does a 115kg barbell weigh in Newton's? (Hint use 9.81◦m/s2) Round to the nearest whole
number
Static Friction
▪Two surfaces not moving on each is the definition of which type of friction?
, true
▪Dynamic Friction is defined as two surfaces moving on each other, true or false?
-Linear Motion
-Rectilinear Translation
-Curvilinear Translation
-Angular Motion
-General Motion
▪What are the 5 Categories of motion
distance divided by time
How is speed calculated?
Displacement divided by time
How is velocity calculated?
when acceleration is constant
Uniform acceleration is defined as:
Magnitude and direction
▪What describes a vector quantity?
an object in the air acted on only by forces of gravity and air resistance
What best describes projectile motion?
Law of Inertia
What is Newton's first law?
