Forces Quiz

In which situation does friction act to slow down an object?

• When the object is already moving

• When the object is at rest

• In the absence of any motion

• Friction never slows down an object

What is the force that pulls the Earth and other planets towards the Sun?

• Magnetism

• Air Resistance

• Gravity

• Electrical Force

Which of the following is a non-contact force?

• Friction

• Air Resistance

• Water Resistance

• Magnetism

Which force makes it hard for objects to move through water?

• Gravity

• Air Resistance

• Water Resistance

• Upthrust

Who is the unit of force named after?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Archimedes

Which of the following is the unit of measurement for force?

• Joules

• Newtons

• Watts

• Ohms

What happens when forces acting on a book placed on a table are balanced?

• The book speeds up

• The book slows down

• The book remains stationary or moves at a constant speed

• The book changes direction

What is buoyancy also known as?

• Downthrust

• Upthrust

• Sidethrust

• Centerthrust

How are forces measured?

• In watts

• In joules

• In volts

• In newtons

What instrument is used to measure forces?

• Ammeter

• Voltmeter

• Newton meter

• Thermometer