BOB 8 ELIMINATION ROUND

Which of the following refers to the fundamental property that measures the amount of matter in an object?

• 1. Density

• 1. Mass

• 1. Volume

• 1. Weight

In a series circuit, what happens to the total resistance when more resistors are added?

• It decreases

• It stays the same

• It increases

• It depends on the voltage

It is the rate of change in the distance of an object over a period of time.

• 1. Acceleration

• 1. Displacement

• 1. Speed

• 1. Velocity

What type of current do most household electrical appliances use?

• Direct current (DC)

• Alternating current (AC)

• Pulsating current

• Static current

What is the slope of the line through the points (3, −2) and (−9, 4)?

• -½

• ½ 

• -2

• 2

Refers to a force that is perpendicular to the surface an object is in contact with.

• 1. Applied Force

• 1. Elastic Force

• 1. Frictional Force

• 1. Normal Force

Read the measurement from the illustration below, in the unit of millimeters (mm).

• 1.2mm

• 12mm

• 0.12mm

• 1.12mm

Find the solution set of the linear system

• (4, 1)

• (-2, 4)

• (-3, 2)

• (2, -2)