Catapult and Trebuchet

The catapult is an example of which of the following simple machines?

• lever
• wedge
• pulley
• wheel and axle

The force that pulls down on the projectile from a catapult is called ___________.

• Newton
• velocity
• gravity
• kilogram

A newton is a measure of _____________.

• distance
• mass
• force
• time

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Tags

NGSS.MS-PS3-1

Speed is different from velocity because

• Velocity has a direction
• Speed uses Distance /Time
• Velocity doesn't include time
• Velocity doesn't include distance

Tags

CCSS.HSN.VM.A.1

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

CCSS.8.EE.C.7B

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If you travel 7.5 km and walk for 1.5 h, what is your average speed?

• 5 km/h
• 11.25 km/h
• 0.2 km/h

51.5 cm = _____ mm

• 515
• 5.15
• 5150
• .515

Tags

CCSS.6.RP.A.3D