15 Questions

What are some examples of work? How do you calculate the amount of work? Let's check it now!

Questions and Answers

- 1.Giovanni used the forklift to lift a pallet of red bricks 12 meters high. Is this an example of work?
- A.
YES

- B.
NO

- 2.The formula to calculate work is W= F x d How much work was done is 5 N of force was used to move an object 25 meters?
- A.
30 Joules

- B.
125 Joules

- C.
5 Joules

- D.
20 Joules

- 3.The formula for calculating work = W= F x d A vehicle at the wrecking yard was pushed forward 7 meters with a force of 5000 N. How much work was done?
- A.
5007 J

- B.
4993 J

- C.
35000 J

- D.
714.2 J

- 4.The formula for calculating work is F x d A family car ran out of gas in the left lane of a busy street. The father got out of the car and tried to push the car to the gas station. He used about 600 N of force, but the car moved a distance of 0. How much work was done?
- A.
600 J

- B.
1200 J

- C.
300 J

- D.
0 J

- 5.The lifegaurd carried a young child to the nurse station. Is this an example of work?
- A.
Yes

- B.
No

- 6.An object is moved forward when kicked. Is this an example of work?
- A.
Yes

- B.
No

- 7.According to the definition for work, in order for work to be accomplished their must be a force exerted on an object and
- A.
The object must move in the opposite direction of the applied force

- B.
The object must move in the same direction as the applied force

- C.
The object must be lifted up

- D.
The object must move a distance less than 100 meters

- 8.The formula for calculating work is W= F x d What do the letters W, F, and d represent in the formula?
- A.
W= width, F= force, d= density

- B.
W= work, F= force, d= direction

- C.
W= work, F= force, d= distance

- D.
W= width, F= force, d= direction

- 9.If a force is applied, but the object does not move a distance, is work being done on the object?
- A.
Yes

- B.
No

- 10.The formula for calculating work is W= F x d A pulley is used to lift a heavy piano 6 meters up to the second floor. The amount of force applied upward is 700 N. How much work was done?
- A.
706 J

- B.
4200 J

- C.
116.6 J

- D.
694 J

- 11.A wrecking ball sways forward and knocks the wall down. Is this an example of work?
- A.
Yes

- B.
No

- 12.The formula for calculating work is W= F x d Jerry pulled the library cart 3 meters with a force of 17 N. How much work was done?
- A.
51 J

- B.
20 J

- C.
14 J

- D.
5.6 J

- 13.A student's wheelchair is pushed up the ramp and unto the school bus. Is this an example of work?
- A.
Yes

- B.
No

- 14.When measuring the distance an object moves when a force is applied, what tool would be best?
- A.
Spring scale

- B.
Meter stick

- C.
Stopwatch

- D.
Pulley or inclined plane

- 15.
- A.
1002 J

- B.
501 J

- C.
500 J

- D.
250. 5 J