NZASE UNIT STANDARD ITEM BANK QUESTIONSEach of the following questions is stand-alone and can be used to assess the element below:

The intention of this item bank is for assessors to develop assessment tasks by choosing complete questions.

Note: If combining parts of questions, you must make sure all Performance Criteria for an element are included in the assessment task.

Unit Standard Number 18975

Unit Standard Title Demonstrate knowledge of science in sport.

Element 3 Describe forces and their effect in sport.

PC 3.1 The description identifies forces.Range: friction, weight.

PC 3.2 The description outlines the effect of forces.Range: balanced, unbalanced.

QUESTION A

1. In each of the following sporting situations an action is underlined. The action is caused by the presence or absence of a force. Name the force in each situation. Choose from GRAVITY or FRICTION.

Situation Gravity or Friction?A As the fullback turned to chase the ball he slipped.

B The gymnast fell from the beam and twisted her ankle.

C At 240 kilograms the bar was too heavy to lift.

D The fielder dived and thrust out his hand. The ball stuck and the catch was completed.

PC 3.1 Y

2. A cyclist is traveling on a level road. Her speed is increasing. The diagram shows four forces are acting on the cyclist and her bike.

a) Which (if either) of the two forces labeled friction and thrust is larger? (Circle one)

Friction larger Thrust larger Same size

b) Give a reason for your answer to question (a) above.

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PC 3.2 Y

Assessment schedule for QUESTION AQ PC Answer Judgement1 3.1 A = friction

B = gravityC = gravityD = friction

Two correct responses, one of a,d and one of b,c.

2 3.2 a) Thrust largerb) speed is increasing

Both correct