What is Newton's 3rd Law?

Every action has an equal and opposite reaction

What is a sporting example of inertia?

a ball travelling in a straight line until stopped by external forces

What is an example of an internal force?

Your calf muscle allowing you to stand on your tip-toes

What does "mechanics" refer to in the word "biomechanics"?

Physics behind movement and forces

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Biomechanics 11PE term 2

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Questions 13

Answers

1
What types of motion are evident when a sprinter is running the 100m?
only Curvilinear
Only Angular
only Rectilinear
Rectilinear and Curvilinear
2
Angular motion is...
twisting motion
spinning motion
curved line motion
straight line motion
3
What is Newton's 3rd Law?
E=mc2
Every action has an equal and opposite reaction
Inertia
F=ma
4
What are the two main categories of forces?
internal and external
large and small
inside and outside
push and pull
5
What is an example of curvilinear motion?
a 100m sprint
a short straight pass in basketball
a goal-keeper kick in soccer
a cartwheel in gymnastics
6
What is a sporting example of inertia?
a ball travelling in a straight line until stopped by external forces
Increased force in a punch in boxing from increased arm acceleration
the resistance felt when hitting a tennis ball
The Earth pushing up against you with equal force when balancing
7
What is Newton's 2nd Law?
E=mc2
F=ma
Inertia
Every action has an equal and opposite reaction
8
What is an example of an internal force?
kicking a ball
Your calf muscle allowing you to stand on your tip-toes
lifting a medicine ball
magnetic force
9
What is Newton's First Law?
Inertia
F=ma
Every action has an equal and opposite reaction
E=mc2
10
Rectilinear motion is...
straight line motion
twisting motion
curved line motion
spinning motion
11
What is the equation for force?
Force = mass x acceleration
Force = acceleration/ mass
Force = mass/acceleration
Force = mass X acceleration2
12
What does "mechanics" refer to in the word "biomechanics"?
Physics of circular motion
Newton's laws of motion
Machinery inside a car
Physics behind movement and forces
13
Curvilinear motion is...
twisting motion
spinning motion
straight line motion
curved line motion

Biomechanics 11PE term 2 Flashcards | StudBud