Motion Review

What is the equation of speed?

• speed = distance x time

What is displacement?

• a measure of how far an object has travelled in total

• how far something went

• a measure between an object’s starting point and its finish point

• how far something has gone

This triangle tells us how to calculate speed, distance and time

• True

• False

Answer explanation

It tells us what we need and whether to times or divide!

Acceleration means an object is speeding up. But a negative acceleration means something is slowing down

• True

• False

A person runs 400m in 64 seconds. What would we use as d (distance)

• 400 m

• 64 s

• 0.4 km

• 1 m 4 s

A person runs 400m in 64 seconds. What would we use as t (time)

• 400 m

• 64 s

• 0.4 km

• 1 min 4 s

A person runs 400m in 64 seconds. Calculate the speed

• 8.4 m/s

• 6.25 m/s

• 5.8 m/s

• 6.4 m/s

Bruce travels from Austi beach to Crown St (16.7km), the drive takes 0.34 hours. Whats his speed

• 49.12 km/h

• 43.5 km/h

• 49. 65km/h

• 53 km/h

How much time does it take a student to get to class 10m away if they are travelling at 5 m/s.

• 2 s

• 50 s

• 20 s

• 2 m

Answer explanation

What is the unit to MEASURE force?

• Kilogram
• Meter
• Pascal
• Newton