Chapter 2: Mechanical Equilirbium Question Preview (ID: 7028)


Part 2. TEACHERS: click here for quick copy question ID numbers.

Equilibrium occurs when
a) all the forces acting on an object are balanced.
b) the net force on the object is zero.
c) The sum of the upward forces equals the sum of the downward forces.
d) all answers are correct.

What is the maximum net force possible when adding a 19N force to a 17N force?
a) 2N
b) 36N
c) 37N
d) 3N

A body builder stands with his weight evenly distributed across 2 scales. If each scale reads 150N, what is his weight?
a) 150 N
b) 300 N
c) 200 N
d) Can not be determined

Which of the following is NOT a way to determine the resultant?
a) Pythagorem Theorem
b) Measure the resultant
c) Add up all the vectors
d)

An object moving at a constant speed in a straight line is in
a) static equilibrium
b) dynamic equilibrium
c)
d)

Force is a scalar quantity.
a) True
b) False
c)
d)

Vectors are represented by arrows.
a) True
b) False
c)
d)

An object in static equilibrium is in a state of no motion.
a) True
b) False
c)
d)

Cruise control in your car is an example of
a) static equilibrium
b) dynamic equilibrium
c)
d)

A cat is sleeping on a bed. Which of the following statements is not true?
a) no forces are acting on the cat
b) the net force acting on the cat is zero
c) all forces acting on the cat are balanced
d) the support force of the bed upward equals the weight of the cat downward.

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