When a force is applied to an object, the object may:
a. move
b. rotate
c. be deformed
d. all of the above
What is d. All of the above.
100
The torque, if the force on a lever is 10 ft·lbs and the lever is 10 ft in length would be...
What is 100 lb-ft?
100
This type of pressure is the total pressure measured above atmospheric pressure.
What is Gage pressure?
100
The force-like quantity in thermal systems is ____________________.
What is temperature difference?
200
This type of variable does not change in an experiment.
What is the dependent variable?
200
This unit is the common unit for mass in the SI system.
What is kg?
200
Sam is tightening a bolt. She’s applying a force of 9 lbs through a lever arm of 1.5 ft in a clockwise direction. How much torque is she applying?
What is 13.5 lb-ft clockwise?
200
One way to measure pressure is to multiply the __________ _______________ times the fluid depth (or height).
What is Weight Density?
200
The temperature difference of 95°C and 62°C?
What is 33 C°
300
This type of activity is meant to study the effect of one thing on another in order to test a hypothesis.
What is an Experiment?
300
This condition exists when all forces acting on an object are equal.
What is equilibrium?
300
A torque wrench has a lever arm of 250 millimeters. The torque, if a force of 30 Newtons is applied clockwise to the end of a wrench would be...
What is 7.5 Nm clockwise?
300
All fluid systems can be classified as either _______________ or __________________?
What are hydraulic and pneumatic?
300
The liquid in a thermometer ____________________ as temperature increases, causing the level to rise.
What is expands?
400
This standard for comparison helps ensure that any variation of our experimental results are caused only by the Independent Variable.
What is a control?
400
This descriptive quantity includes both direction and magnitude.
What is a vector.
400
If we have a 200 lb man applying 150 lbs of force on a 6-inch wrench and a 100 lb woman applying 50 lbs of force on a 2 ft wrench, which is applying more torque?
What is the Woman?
400
The instrument used to measure gas pressure and pressure difference between two points in a system is a ____________________.
What is a manometer?
400
A thermocouple thermometer works because a voltage difference is generated between two junctions that are at different temperatures. The two junctions are made of ____________________.
What is' 3 wires made of 2 different materials?
500
This explanation of an event is based on repeated observations and experiments.
What is a Theory?
500
In describing vectors, arrow length represents ____________________, and arrow heading represents ____________________.
What magnitude and direction?
500
In order to double the torque you could find a torque wrench with a handle ______________.
What is twice as long?
500
This type of force is described as the upward force on an object that is equal to the weight of the fluid displaced by that object.
What is buoyant force?
500
When referring to size,each degree on the Fahrenheit temperature scale is ____________________ compared to a degree on the Celsius temperature scale.