WorksheetsWork
Total questions: 14
Worksheet time: 14mins
Decide if the picture above illustrates work or no work
WORK
NO WORK
Decide if the picture above illustrates work or no work
WORK
NO WORK
Decide if the picture above illustrates work or no work
WORK
NO WORK
Decide if the picture above illustrates work or no work
WORK
NO WORK
Decide if the picture above illustrates work or no work
WORK
NO WORK
What are the two things you need to calculate work?
force and distance
force and speed
mass and acceleration
distance and mass
What is the formula for work?
f x d = w
f x m = w
d x m = w
s x m = w
An example of work not being done is:
a man carrying a box across a room
a woman lifting a baby out of bed
a child pushing his baby sister in a stroller
a woman pulling her boat out of the water
Work is measured in:
Kilograms
Newtons
Meters
Joules
In order for work to happen, a force must be applied AND:
The object must move in the same direction as the force
the object must move in the opposite direction as the force
the force must be less than the object being moved
the direction has no bering on the force
When a box in moved up a ramp into a truck, the amount of work done depends on:
the steepness of the ramp
the distance from the end of the rams to the truck
the mass of the box
the distance the box is from the ground to the truck
A weightlifter lifts a weight with 100N of force. He raises it over his head to a level of five meters. How much work has he done? (Remember, w = f x d)
5J
50J
500J
5000J
A UPS delivery man lifts a package with 250N of force and lifts it two meters off the ground. How much work did he do? (Remember, w = f x d)
5J
50J
500J
5000J
A brother carries his little sister, who weighs 24kg, across a field 20 meters. How much work did he do?
none, because he moved in two directions
480J
4800J
48J
