ESS :Newton's Laws / Biomechanical Parameters Quiz

What is a scalar quantity?

• A quantity with only magnitude

• A quantity with both magnitude and direction

• A quantity with only direction

• A quantity with neither magnitude nor direction

Which of the following is a vector quantity?

• Distance

• Speed

• Velocity

• Mass

What is the unit of force?

• Kilograms

• Newtons

• Meters per second

• Joules

What type of force originates from the contraction of skeletal muscles?

• Internal force

• External force

• Gravitational force

• Frictional force

Which of the following is an example of an external force?

• Heartbeat

• Blood pressure

• Air resistance

• Muscle contraction

What happens to a football when a greater force is applied during a kick?

• It remains at rest

• It accelerates

• It changes direction

• It decelerates

What is the effect of friction on a moving football?

• It changes the football's mass

• It decelerates the football

• It increases the football's weight

• It accelerates the football

What is the term for a force generated perpendicular to the direction of a moving object?

• Thrust

• Weight

• Drag

• Lift

How is distance measured?

• In seconds

• In kilograms

• In meters

• In newtons

What is the displacement of an athlete who runs 400 m around a track and ends at the starting point?

• 800 m

• 0 m

• 200 m

• 400 m