Physics Quiz: Units, Motion, and Forces

The SI unit of force is:

• Joule

• Newton

• Watt

• Kilogram

Convert 2500 g to kilograms.

• 0.25 kg

• 2.5 kg

• 25 kg

• 250 kg

How many meters are in 2.5 km?

• 25 m

• 250 m

• 2500 m

• 25,000 m

A student runs 100 m in 20 s. What is their average speed?

• 2 m/s

• 4 m/s

• 5 m/s

• 20 m/s

Which tool would you use to measure mass?

• Thermometer

• Ruler

• Balance

• Stopwatch

Weight and mass are the same thing.

• True

• False

• Only on Earth

• Only in space

Speed is defined as:

• Distance × Time

• Distance ÷ Time

• Force ÷ Mass

• Velocity ÷ Acceleration

The formula for velocity is:

• v = d/t

• v = m/a

• v = F/m

• v = p/m

A car travels 60 km in 2 hours. What is its average speed?

• 20 km/h

• 30 km/h

• 60 km/h

• 120 km/h

A runner goes 400 m east in 100 s. What is their velocity?

• 2 m/s east

• 4 m/s east

• 10 m/s east

• 40 m/s east