1.3.b Fluid mechanics and projectile motion quiz games for A level PE (OCR)

1. 1

   Which factor does a skier reduce by tucking low?

   MassFrontal cross-sectional areaWeightSurface characteristics
2. 2

   Which action reduces a cyclist's frontal cross-sectional area?

   Crouching low over the handlebarsWearing a loose, baggy jerseyPedalling at a higher speedSitting upright with the back straight
3. 3

   True or false: a larger frontal cross-sectional area increases drag.

   a larger frontal cross-sectional area increases drag.

+ 12 more questions in the game.

1. 1

   Which term describes the force that curves the path of a spinning ball?

   Bernoulli liftEccentric forceMagnus forceNormal reaction
2. 2

   Match each factor to a way of reducing air resistance.

   VelocityFrontal areaSurface characteristicsSlow downWear a smooth suitCrouch lower
3. 3

   What do we call the force with which the Earth pulls a body downwards?

   Air resistanceBuoyancyWeightDrag

+ 12 more questions in the game.

1. 1

   True or false: In Bernoulli's principle, faster-moving air has a higher pressure.

   In Bernoulli's principle, faster-moving air has a higher pressure.
2. 2

   Which effect makes a topspin tennis ball dip towards the ground?

   The parallelogram of forcesThe Magnus effectAn increase in the ball's weightBernoulli lift from the ball's shape
3. 3

   Faster-moving air has ____ pressure, according to Bernoulli's principle.

   higherequalzerolower

+ 12 more questions in the game.

1. 1

   True or false: A tuck position reduces a skier's frontal cross-sectional area.

   A tuck position reduces a skier's frontal cross-sectional area.
2. 2

   True or false: Air resistance depends mainly on a performer's mass.

   Air resistance depends mainly on a performer's mass.
3. 3

   True or false: A headwind reduces the air resistance on a runner.

   A headwind reduces the air resistance on a runner.

+ 12 more questions in the game.

1. 1

   A spinning ball is pushed sideways by the ____ force.

   normalMagnusfrictionBernoulli
2. 2

   Match each force to how it acts.

   WeightAir resistanceResultantDownward liftDiagonal of the parallelogramVertically downwardsPushes a racing car onto the trackAgainst the direction of travel
3. 3

   Match each term to its meaning.

   TrajectoryRelease angleResultant forceAngle of attackPath of a body in flightAngle the object leaves the handAngle between object and oncoming airSingle force replacing all forces

+ 12 more questions in the game.