WorksheetsWork Practice #2
Total questions: 14
Worksheet time: 18mins
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
Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a workout. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car.
2.35 x 105 J
2.05 x 105 J
1.35 x 105 J
3.25 x 105 J
Hans Full is pulling on a rope to drag his backpack to school across the ice. He pulls upwards and rightwards with a force of 22.9 Newtons at an angle of 35 degrees above the horizontal to drag his backpack a horizontal distance of 129 meters to the right. Determine the work (in Joules) done upon the backpack.
2.42 x 103 J
2.22 x 103 J
3.12 x 103 J
1.84 x 103 J
Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight in 1985. Deadlifting involves raising a loaded barbell from the floor to a position above the head with outstretched arms. Determine the work done by Lamar in deadlifting 300 kg to a height of 0.90 m above the ground.
2.6 x 103 J
4.8 x 103 J
1.5 x 103 J
3.7 x 103 J
Sheila has just arrived at the airport and is dragging her suitcase to the luggage check-in desk. She pulls on the strap with a force of 190 N at an angle of 35° to the horizontal to displace it 45 m to the desk. Determine the work done by Sheila on the suitcase.
7.0 x 103 J
4.9 x 103 J
8.5 x 103 J
3.1 x 103 J
Mr. B's and Mr. P's classes competed in a game of tug of war. Mr. B's class pulled to the right with a force of 4,000 N. Mr. P's class pulled to the left with a force of 5,000 N. As a result the rope moved 5.1 m to the left. How much work was done by the net force?
4100 J
3100 J
5100 J
45900 J
The force used in the work equation has to always be acting in the same direction as the movement of the object.
True
False
The area under a force vs. displacement graph tells you the
mass of the object
momentum of the object
work done on the object
impulse of the object
