Forces and Electricity Quiz

What is the unit of force?

• Newton

• Joule

• Watt

• Pascal

Which of the following is a way to reduce energy loss?

• Increasing friction

• Streamlining

• Adding weight

• Using rough surfaces

What happens when opposite charges go near each other?

• They repel each other

• They cancel each other out

• They attract each other

• Nothing happens

What happens when similar charges go near each other?

• They attract each other

• They repel each other

• They combine to form a neutral charge

• They cancel each other out

What is the voltage rule for parallel circuits?

• The voltage is the same across all components

• The voltage is divided equally across all components

• The voltage doubles across each component

• The voltage is zero

What can a force change about an object?

• Color

• Speed

• Temperature

• Taste

How are forces commonly measured?

• Kilograms

• Meters

• Newtons

• Pascals

Which of the following is NOT a way to increase friction?

• Making the surfaces rough

• Pressing the surfaces harder against each other

• Using rolling motion rather than sliding motion

• Removing the lubrication between the surfaces

When using a Newton balance to measure force, where is the object attached?

• At the top of the balance

• To the hook

• On the numbered scale

• To the side of the balance

Friction is a force that:

• Increases motion

• Opposes motion

• Has no effect on motion

• Only acts on stationary objects