Review 2.A.1 Question Preview (ID: 46714)


Analyze Data To Support And Verify The Concepts Expressed By Newton’s 2nd Law Of Motion, As It Describes The Mathematical Relationship Among The Net Force On A Macroscopic Object, Its Mass, And Its Acceleration. TEACHERS: click here for quick copy question ID numbers.

Which of the following would have balanced forces?
a) A rock falling from a cliff
b) A bus slowing down to a stop
c) A race car rounding a curve
d) A bowling ball rolling at constant speed

Which of the following would have unbalanced forces?
a) A book at rest on a table
b) A skydiver who has reached terminal velocity
c) A track star starting a race
d) A cart rolling at constant speed

Acceleration is caused by
a) people
b) unbalanced force
c) balanced force
d) Newton

A ball experiences 30N downward force of gravity and 2N upward force of air resistance. What is the net force?
a) 30N down
b) 28N down
c) 32 N down
d) 28 N up

Acceleration is...
a) all of these
b) Speeding up
c) Slowing Down
d) Changing direction

A 20 kg bike accelerates at 10 m/s2. what was the force
a) 200N
b) 25N
c) 10N
d) 20N

Falling objects
a) travel at constant speed
b) accelerate
c) stop
d) float

Will it take more force to push an empty shopping cart or a shopping cart that is full?
a) full
b) empty
c) same
d) not enough information

When forces are balanced
a) The object must have constant speed
b) the object must be moving
c) the object must be resting
d) the object must accelerate

What is the unit of measurement of force?
a) Newtons
b) kilograms
c) mass
d) weight

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