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

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

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

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

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

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

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

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

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 3,000-N force gives an object an acceleration of 15 m/s2. The mass of the object is __________.
a) 45,000 kg
b) 1,500 kg
c) 200 kg
d) 15 kg

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

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