Work 2 2022

It occurs when a force interacts with an object and causes displacement

• Energy

• Friction

• Work

• Displacement

This is the formula to find force of friction on a flat surface

• mg

• w/g

Look at the image, the work done by the gravitational force will be

• negative

• positive

• zero

Look at the picture and calculate the work done by the applied force (F1)

• 1100 J

• -1100 J

• 0 J

• -400 J

Look at the picture and calculate the work done by the Weight (W)

• 250 J

• -250 J

• 0 J

• -400 J

Look at the image, a person pushing a wall will produce _____work

• negative

• positive

• zero

Look at the picture and calculate the work done by force of friction (Fk)

• 400 J

• -400 J

• 0 J

• 250 J

Look at the image, the work produce by the gravitational force will be

• negative

• positive

• zero