DP Sports, Exercise and Health Science Questionbank

Using an example, analyse conditions for acceleration.

Define Newton’s first law of motion.

Identify the brand of helmet that demonstrated the lowest mean impact force.

Which term describes a scalar quantity?

A. Acceleration

B. Distance

C. Displacement

D. Velocity

Which term is correctly matched to the type of quantity that it measures?

What describes acceleration and the direction of travel during X on the graph below?

[Source: © International Baccalaureate Organization 2018]

The velocity–time graph below shows the performance of two sprinters. Which statement describes the sprinters at 1 second?

[Source: adapted from www.liacoseducationalmedia.com]

A. Sprinter A is moving faster than Sprinter B at 1 second.

B. Sprinter B is moving faster than Sprinter A at 1 second.

C. Sprinter A and Sprinter B are moving at the same velocity at 1 second.

D. Sprinter A and Sprinter B are not moving at 1 second.

An athlete performs a vertical jump on a force plate. The graph shows the recorded ground reaction force of the athlete.

[Source: adapted from American Journal of Physics 69, 1198 (2001),
with the permission of the American Association of Physics Teachers]

State what happens to the athlete between C and D.

What happens to the centre of mass when the basketball player prepares to shoot, moving from position A to position B?

[Source: adapted from sdart/iStock]

A. Does not move

B. Moves upwards

C. Moves downwards

D. Moves forwards

Diagram A, shows a gymnast balanced on a beam. In Diagram B, she is about to fall. Explain how a fall can be avoided by moving the body and therefore the centre of mass.

AB

[Source: © Ranko Bojanovic/123RF.COM]

The diagram shows a high jumper performing a Fosbury Flop. During which phase is the centre of mass outside the athlete?

[Source: © International Baccalaureate Organization 2020.]

The diagram shows a pole vaulter clearing the bar. Which number represents the correct position of the centre of mass?

[Source: HAY JAMES G., THE BIOMECHANICS OF SPORTS TECHNIQUES,
4th Ed., ©1993 Reprinted by permission of Pearson Education, Inc.]

A. 1

B. 2

C. 3

D. 4

The diagram shows the lower leg.

Identify the elements A, B and C of the lever system.

The diagram shows elbow extension. Which type of lever is used?

[Source: © International Baccalaureate Organization 2019]

A. First

B. Second

C. Third

D. No lever is used during elbow extension

What is an example of a first-class lever?

A. Triceps contracting, moving the elbow

B. Biceps contracting, moving the elbow

C. Quadriceps contracting, moving the knee

D. Hamstrings contracting, moving the knee

Levers are working throughout the body when a basketball player performs a jump shot. Where is the effort applied in the lower right leg?

The diagram shows a volleyball player serving right-handed. Which is an example of a first-class lever during the acceleration phase of the serve?

[Source: 4x6/DigitalVision Vectors via Getty Images.]

A. Extension of the right elbow

B. Flexion of the left elbow

C. Plantar flexion of the right ankle

D. Extension of the left knee

Apply Newton’s second law of motion to the distance travelled by a golf ball after being struck.

Apply Newton’s second law of motion to the distance travelled by a golf ball after being struck.

Explain how the application of Newton’s third law of motion enables an athlete to run uphill.

Explain the application of Newton’s three laws of motion to a swimmer as they start a race from the blocks.

Using an example, analyse conditions for acceleration.

Deduce the effect of having a soft-covering cap on the impact force of the different helmets.

Using examples, outline Newton’s three laws of motion during a soccer match.

The diagram shows a person performing a somersault dive from a 10 m platform.

Outline how they use the law of conservation of angular momentum to perform a somersault dive.

The diagram shows a person performing a somersault dive from a 10 m platform.

Outline how they use the law of conservation of angular momentum to perform a somersault dive.

Explain the concept of angular momentum when a figure skater spins on ice.

The diagram shows a figure skater spinning on ice.

[Source: © David Darling, http://www.daviddarling.info/encyclopedia/A/angular_momentum.htm]

Explain the concept of angular momentum when a figure skater spins on ice.

The diagram shows someone performing a tuck dive. How does the angular velocity change when the diver moves from position 2 to position 3 in the diagram?

[Source: Courtesy Swim England.]

A. It decreases to change the moment of inertia.

B. It remains the same in order to conserve momentum.

C. It increases in order to conserve momentum.

D. It is not altered with a change in moment of inertia.

The diagram shows a person performing a somersault dive from a 10 m platform.

Outline how they use the law of conservation of angular momentum to perform a somersault dive.

The diagram shows a person performing a somersault dive from a 10 m platform.

Outline how they use the law of conservation of angular momentum to perform a somersault dive.

The diagram shows a gymnast performing a piked somersault.

[Source: www.gymdrills4profs.com.]

Explain the manipulation of the moment of inertia during the flight and landing phases.

For successful completion, which event requires the greatest angle of release?

A. High jump

B. Long jump

C. Shot put

D. Discus

Describe how a long jumper can manipulate the factors that affect projectile motion to increase their distance jumped during a competition.

Outline how the Bernoulli principle affects a golf ball in flight.

Outline how the Bernoulli principle affects a golf ball in flight.

Which area around the golf ball has the highest air pressure?

A. W

B. X

C. Y

D. Z