PS2.A - Forces and Motion - Level 2 Enrichment

What force becomes important when skydivers fall for thousands of feet?

• Friction

• Lift

• Drag

• Gravity

What force pushes up opposite to gravity when skydivers fall?

• Lift

• Friction

• Thrust

• Drag

What is the term for using drag to push the body in the direction it's facing?

• Tracking

• Hybrids

• Docking

• Flipping

What position changes the surface area as the skydiver is exposed to the wind?

• Sitting

• Standing

• Head-down

• Flipping

What helps skydivers to slow down so they can land safely?

• Thrust

• Friction

• Parachute

• Lift

What is the maximum speed skydivers can reach in certain positions?

• 100 miles per hour

• 150 miles per hour

• 200 miles per hour

• 250 miles per hour

What is the term for creating formations with other skydivers?

• Hybrids

• Docking

• Tracking

• Flipping

Why can't skydivers track when they jump off of a high dive at a swimming pool?

• Not in the right position

• Not enough drag

• Not enough air molecules

• Not going fast enough

Can an object be in motion and the forces be balanced?

• yes

• no