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Worksheets6.4 Work Done
Total questions: 19
Worksheet time: 11mins
Which one of the following causes your shoes to wear out?
Weight
Friction
Pressure
Polishing
Which of the following is measured in newtons (N)?
Size
Mass
Energy
Friction
Brandon pushes a 5 N load for 4 m. Khalisha pushes a 10 N load for 2 m. Which of the following statements is true?
Khalisha has done more work than Brandon
Brandon has done more work than Khalisha
Both Brandon and Khalisha did not do any work
Both Brandon and Khalisha have done the same amount of work
Syaahir carried a sack of 'Beras Laila' weighing 100 N up a flight of stairs of 12 m. Calculate the work done by Zainal if his body weight is 550 N?
9750 joules
8250 joules
7800 joules
6600 joules
Which of the following situation is no work done?
Holding a box on top of your head
lifting a box from the ground to your shoulder
putting the box down to a table from your hand
moving the box from the table to on top of your head.
Adlan weights 500 N. He climbs up the escalator and reach the first floor in 25 seconds. The height of the escalator is 10m and the length is 15 m. Calculate the work done by Adlan?
0 J
5000 J
7500 J
125 000 J
Hazeeqah runs up a hill through a height of 5 metres in 50 seconds. Calculate the work done in reaching the top of the hill?
500 / 50 = 10 Nm
500 / 5 = 100 Nm
500 X 5 = 2500 Nm
500 X 50 = 25 000 Nm
Keirra lifted two dumb bells (40 N each) 80 cm above the floor as shown in figure below. Calculate the work done by Keirra?
(Make sure to use the correct units and read all the details!)
10 joules
64 joules
640 joules
1280 joules
There is no work done when a box is moved across the room. True or false?
True
False
In which of the following situation is work done? (remember for work to be done, what is needed?)
push ups
pushing a wall
carrying a box up the stair case
holding a box while standing
what is the formula needed to solve for work?
w=f/d
w= fd
w=f+d
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
what is the unit of work?
Newton
Joule
Watt
meter
True or false
You do work when you mannequin pose with an object in your hand.
true
false
which of the following shows greatest work done?
sleeping
watching TV
doing the laundry
what is the product of force and displacement?
work
power
energy
Two factors that determine work are
force
acceleration
mass
distance
velocity
