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WorksheetsHydraulics Part 02 - The Science of Work
Total questions: 25
Worksheet time: 15mins
Which of the following is an example of a lever?
Screw
Inclined Plane
Stapler
Wheel and Axle
Which of the following is NOT a component of the work formula?
Force
Distance
Time
Work
What is the formula for calculating work?
Work = Force (N) + Distance (m)
Work = Force (N) x Distance (m)
Work = Force (N) / Distance (m)
Work = Force (N) - Distance (m)
What unit is used to measure force in the work formula?
Joule
Newton
Watt
Pascal
What unit is used to measure distance in the work formula?
Kilometer
Centimeter
Meter
Millimeter
Which of the following scenarios results in zero work done?
A car moving on a highway
A book lying on a table
A person climbing stairs
A ball rolling down a hill
You need to lift a heavy statue 30 feet into the air. Which simple machine would be best to use?
Wheel and Axle
Inclined Plane
Pulley
Wedge
Identify the simple machine in the picture.
Wheel and axle
Inclined plane
Lever
Wedge
In order for work to be done on object, which of the following statements must be true? Check all that apply.
A force must be acting on an object
The object must remain still
The object must be lifted off the ground
The object must move
Which of the following quantities are measured in joules (J)? Check all that apply.
Power
Work
Energy
Momentum
When an object stores energy as a result of its position, it has:
Kinetic Energy
Power
Work
Potential Energy
The energy an object has as a result of its motion.
Kinetic Energy
Power
Work
Potential Energy
Assuming there are no outside forces, the total mechanical energy of the rollercoaster will:
Remain constant
Change depending on the height of the rollercoaster
Change depending on the speed of the rollercoaster
More than one of the above
You climb stairs as part of a new workout routine. If you wanted to increase the work you do during your workout, you could: (Check all that apply)
Run up the stairs faster
Hold something heavy while you do it
Go up more stairs
Hop up the stairs instead of running
Of the following, which would NOT be considered work?
An Olympic lifter lifting the bar from the ground to their chest
The lifter taking the bar from their chest to above their head
Holding the bar above their head with their arms fully extended
Dropping the bar and letting it fall to the ground
Energy can be defined as the ability to:
Do work
Apply a force
Have power
Sleep
Which of the following statements are true according to the law of conservation of energy?
Energy cannot be created
Energy cannot be destroyed
Energy can be converted from one form to another
All of the above
Work is the transfer of...
Energy
Force
Mass
Motion
Which has more energy?
A 100 kg rock moving down a hill at 5 m/s.
A 10 kg cannonball moving 15 m/s after being launched
Which has more energy?
A 1 kg book that is 5 m high
A 1 kg book that is traveling 5 m/s
Work or not? - Lifting a heavy box off the ground.
Work
Not Work
Work or not? - Carrying a box to your car.
Work
Not Work
Work or not? - Your phone slipping out of your hand and falling to the ground.
Work
Not Work
Work or not? - You drive a new couch to your house after picking it up from the store.
Work
Not Work
Work or not? - You throw a ball to your dad while playing catch.
Work
Not Work
