Chapter 12-Part 2 Question Preview (ID: 29312)


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Forces that are equal in size but opposite in direction are ______________.
a) balanced forces
b) frictional forces
c) inertial forces
d) net forces

Speed is the rate of change in ______________.
a) velocity
b) time
c) direction
d) distance

To describe velocity you need to know ____________.
a) speed and direction
b) speed and time
c) direction and acceleration
d) speed and acceleration

On a speed-time graph, a horizontal line shows the change in speed is ___________.
a) -10
b) 10
c) 1
d) 0

When you graph the motion of an object, you put _______ on the horizontal axis and __________ on the vertical axis.
a) speed, time
b) distance, time
c) time, speed
d) time, distance

The distance traveled divided by the time taken to travel the distance is _____________.
a) average speed
b) mass
c) momentum
d) speed

The relationship among force, mass, and acceleration is stated in ___________________.
a) the law of the conservation of momentum
b) Newton's first law of motion
c) Newton's second law of motion
d) Newton's third law of motion

According to Newton's second law of motion, ___________.
a) F=mv
b) F=m/a
c) a=Fnet/m
d) F=ma

Whenever a body is in motion, there is always _____________ to oppose the motion.
a) friction
b) inertia
c) gravity
d) acceleration

Air resistance __________________ as you move faster.
a) increases
b) decrease
c) remains the same
d) depends on the shape

As an object sinks in a fluid, the buoyant force is ______________ the weight of the object.
a) greater than
b) less than
c) the same as
d) doesn't apply

As the speed of a fluid increases, ________________.
a) the pressure decreases
b) the pressure increases
c) the force decreases
d) the volume decreaes

The realtionship among force, mass, and acceleration is stated in ______________.
a) the law of the conservation of momentum
b) Newton's first law of motion
c) Newton's second law of motion
d) Newton's third law of motion

With action-reaction forces, ______________.
a) the action force is created first
b) the reaction force is created first
c) the forces are created at the same time
d) both forces already existed

If an object sinks in a fluid, the buoyant force is __________ .
a) increases
b) decreases
c) remains the same
d) depends on the shape

In a hydraulic system, the pressure on the large piston is _______________ the pressure on the small piston.
a) greater than
b) less than
c) the same as
d) not related to

50 mL of soda in a soda can exerts __________ 50mL of soda in a 1L bottle
a) more pressure than
b) less pressure than
c) the same pressure on the bottom as
d) can't tell

The force you have to overcome to start an object moving is ______________.
a) rolling friction
b) static friction
c) sliding friction
d) air resistance

0.5 m of water in a large fish tank exerts _____________ 0.5m of water in a swimming pool.
a) more pressure on the bottom than
b) less pressure on the bottom than
c) the same pressure on the bottom as
d) can't determine

A hydraulic system is used to ________________.
a) increase force
b) decrease pressure
c) increase pressure
d) increase distance

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