Work Down

A force exerted over a distance to move an object is ______________________.

• a. Work

• b. power

• c. displacement

• d. force

The amount of work done depends on:

• a. the size of the force on the object, the speed of movement

• b. the size of the object, the distance the object moves

• c. the size of the force on the object, the distance the object moves.

• d. the size of the force on the object, the friction acting upon the object

A 5000N block is lifted 10 m. How much work was done?

• a. 5000 J

• b. 50000 J

• c. 500 J

• d. 50 J

The unit used to measure work is the _______

• a. energy

• b. displacement

• c. force

• d. joule

How much work is produced when 350 N is used to move a car 5 m?

• a. 70 J

• b. 1750 J

• c. 355 J

• d. 175 J

Which of the following is the best example of work being done?

• a. doing homework

• b. lifting a box

• c. pushing a stationary box

• d. holding a box

F=200 N

d=50

w=??

• a. 4 J

• b. 0.25 J

• c. 250 J

• d. 10,000 J

It is the ability to do work

_________.

• a. Joule

• b. work

• c. energy

• d. displacement

Work done = Force x _________

• a. distance

• b. acceleration

• c. velocity

• d. speed

I lift an object that has a weight of 100N up from the ground and put it on a table that is 1.0m above the ground.

• a. 100 J

• b. 10 m

• c. 1 J

• d. 10,000 J