WorksheetsMECHANICAL: Practice Work & Energy calculations
Total questions: 14
Worksheet time: 18mins
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?
200 J
20.0 J
100 J
10 J
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
Work done = Force x __?__
a. distance
b. acceleration
c. velocity
d. speed
If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.
400m
40m
50m
4m
You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?
54 J
6.0 J
21 J
27 J
I do 132 Joules of work on a bookcase. If I apply a force of 6 Newtons, how far have I moved the bookcase?
22 meters
792 meters
17 meters
320 meters
Calculate the work needed to raise a 3 kg cat up to a height of 4 m. (g = 10ms-2)
12 J
0 J
120 J
1.22 J
Sue lowers a stack of books with a mass of 20 kg over a distance of 2 meters. Calculate work. (g = 10ms-2)
400 J
-40 J
-400 J
-20 J
With all of his Batgear on, Batman has a mass of 90.7 kg. How much work does he have to do to get to his perch on top of a 1,575 m building? (g = 10ms-2)
142.9 kN
142.9 kJ
1.429 MN
1.429 MJ
An aircraft is taking a group of skydivers up into the air. Evan is dressed in his parachuting outfit, which brings his mass to a total of 90.0 kg. The aircraft takes the group to a height of 5000.00 m before the jump. How much work is done in getting Evan safely back to the ground? (g = 10ms-2)
450 kJ
450 kN
4.5 MJ
4.5 MN
