Worksheets3 MP Review Honors (Chapters 8 and 9)
Total questions: 30
Worksheet time: 15mins
If a net torque is applied to an object, that object will experience which of the following?
A constant angular speed
A constant moment of inertia
An angular acceleration
An increasing moment of inertia
Which of the following statements is correct?
The closer the force is to the axis of rotation, the easier it is to rotate the object.
The closer the force is to the axis of rotation, the more torque that is produced.
The farther the force is from the axis of rotation, the less torque that is produced.
The farther the force is from the axis of rotation, the more torque that is produced.
At what angle should the force be applied to wrench to produce the maximum torque?
0o to the handle
90o to the handle
180o to the handle
360o to the handle
Suppose a doorknob is placed at the center of a door. Compared with a door whose knob is locate at the edge, what amount of force must be applied to this door to produce the torque needed to open it?
1/4 as much
1/2 as much
Twice as much
Four times as much
If you want to open a swinging door with the least amount of force, where should you push on the door?
As far from the hinges as possible
Close to the hinges
In the middle
It does not matter where you push
If you cannot exert enough force to loosen a bolt with a wrench, which of the following should you do?
Exert a force on the wrench closer to the bolt
Tie a rope to the end of the wrench and pull
Use a wrench with a longer handle
Use a wrench with a shorter handle
At which point on a baseball bat is the center of mass best located?
At the handle
In the middle
In-between the middle and the large end of the bat A
the end of the large end of the bat
Which of the following affects the total kinetic energy of a baseball thrown forward with a spinning motion?
The ball's angular speed only
The ball's linear speed only
Both the linear and angular speeds
Neither the linear nor angular speed
What is the point at which all of the mass of the body can be considered to be concentrated?
Center of Mass
Moment of Inertia
Rotational Equilibrium
Torque
A disc and a thin hoop have the same mass and radius. How much more rotational kinetic energy does the hoop have than the disc if they are both spinning about their symmetry axes with the same angular speed?
Half as much
They have the same amount of rotational kinetic energy
Twice as much
Four times as much
What must be true in order for an object to be in both translational and rotational equilibrium?
The acceleration is zero.
The angular acceleration is zero.
The acceleration and angular acceleration are zero.
The velocity and angular velocity are zero.
What is defined as a twist or turn, which causes an angular acceleration?
Angular Momentum
Center of Mass
Force
Torque
What is the measure of the resistance of an object to change its rotational motion?
Center of Mass
Moment of Inertia
Rotational Equilibrium
Torque
Where is the center of mass of a meter stick?
At the 0 cm mark
At the 25 cm mark
At the 50 cm mark
At the 75 cm mark
Which of the following is a fluid?
Gold
Helium
Iron
Silver
Which of the following statements about floating objects is correct?
The buoyant force is greater than the weight of the object.
The buoyant force is less than the weight of the object.
The buoyant force equals the object’s weight.
The density of the object is greater than the density of the fluid.
What principle states that any object completely or partially submerged in a fluid experiences an upward buoyant force equal in magnitude to the weight of the fluid displaced by the object?
Archimedes' Principle
Bernoulli's Principle
Newton's Principle
Pascal's Principle
What happens to the pressure of an object as the area between the object and the surface increases?
The pressure decreases.
The pressure increases.
The pressure remains the same.
Which principle states that the pressure in a fluid decreases as its velocity increases?
Archimedes' Principle
Bernoulli's Principle
Newton's Principle
Pascal's Principle
A person is standing near the edge of a railroad track when a high-speed train passes. What happens to the person?
He or she is pushed away from the train.
He or she is pushed upward in the air.
He or she is pulled toward the train.
He or she is pushed downward into the ground.
What are the three variables that completely describe the macroscopic state of an ideal gas?
Pressure, Temperature, and Energy
Pressure, Temperature, and Volume
Pressure, Volume, and Energy
Volume, Temperature, and Energy
What must the units of temperature be in order to be used in the ideal gas law?
Celsius
Fahrenheit
Joules
Kelvin
A balloon filled with air is compressed to half its initial volume. If the temperature inside the balloon remains constant, what happens to the pressure inside the balloon?
It doubles.
It is half its original value.
It is 4 times as great.
It remains the same.
Which is NOT a unit of pressure?
Atmosphere
Pascal
PSI (Pounds per Square Inch)
Newton
If it takes 30 seconds to fill a bucket with a garden hose, how long will it take if you cover half of the nozzle of the garden hose?
30 seconds
Less than 30 seconds
More than 30 seconds
Cannot be determined
What is the unit for density?
kg
kg/m3
Newton
N/m3
What is the symbol for buoyant force?
FB
Fg
FO
FY
What happens to the pressure acting on an object as it goes deeper in a fluid?
The pressure decreases.
The pressure increases.
The pressure remains the same.
What is a fluid that has no internal friction or viscosity and is incompressible?
Fluid Flow
Formal Fluid
Frictionless Fluid
Ideal Fluid
Which type of fluid flow is when every particle that passes a particular point moves along the same smooth path traveled by the particles that passed that point earlier?
Eddy Current
Ideal Flow
Laminar Flow
Turbulent Flow
