WorksheetsWork & Machines Test
Total questions: 20
Worksheet time: 14mins
Which of these is a measurement of power?
100 joules
100 watts
100 meters per second
100 hertz
Which of the following is true about work?
It measures how quickly an object accelerates
It measures how much effort is applied over a distance.
It measures the change of an object's rate of speed.
It measures how much time it takes to move an object.
When is work being done?
When an object moves in the same direction as its force.
When an object moves in the opposite direction as its force.
When a force causes the object to move more quickly.
When an object stops moving.
What units do we use to measure work?
watts
newtons
joules
meters
In which of these cases is work being done?
A student sleeps all night.
A student pushes a locked door that does not move.
A student carries his chair into another room.
A student sits on the carpet.
A force exerted over a distance to move an object is ______________________.
power
work
momentum
Watt
How do we calculate work?
W = F * d
w = f * D
W = F * D
w = f * d
How do you calculate power?
P = W/t
P = E/t
P = w * t
P = bbq/chicken
The device used to raise a flag up a flag pole is an example of a
wheel and axle
lever
inclined plane
pulley
