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Biomechanics

Total questions: 65

Worksheet time: 43mins

Name
Class
Date
1.

Which of the below is a scalar quantity of linear motion?

a)

Velocity

b)

Weight

c)

Impulse

d)

Speed

2.

What is the net impulse of a 100m sprinter 50m into the race?

a)

Positive

b)

Neutral

c)

Negative

3.

Newton's third law is..

a)

the law of acceleration

b)

the law of motion

c)

the law of reaction

d)

the law of inertia

4.

Which of the below is an accurate application of how a gymnast can increase stability?

a)

Stand tall before performing a spin

b)

Land a leap on one foot

c)

Keeping the middle of their body over the centre of the beam

d)

Not putting chalk on their feet

5.

Which of the below forces does not act in the vertical component?

a)

Muscular action force

b)

Friction

c)

Reaction force

d)

Weight

6.

On a free body diagram, what does the arrow above (not touching) the body indicate?

a)

Direction of motion

b)

Friction

c)

Air resistance

d)

Reaction force

7.

Which of the below is an example of a first class lever?

a)

Elbow flexion

b)

Knee flexion

c)

Elbow extension

d)

Ankle plantarflexion

8.

Which of the below accurately describes mechanical advantage?

a)

the resistance arm is longer than the force arm.

b)

the load arm is longer than the resistance arm.

c)

the load arm is longer than the effort arm.

d)

the force arm is longer than the resistance arm.

9.
Newton's first law states...
a)
‘Everybody continues in its state of rest or motion in a straight line , unless compelled to change that state by external forces exerted upon it.’
b)
‘The rate of momentum of a body (or the acceleration for a body of constant mass)is proportional to the force causing it and the change that takes place in the direction in which the force acts’. 
c)
‘To every action (force), there is an equal and opposite reaction (force)’.
d)
'Acts at the point of contact with the ground'.
10.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side 
c)
on the same side as the load arm. 
11.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
12.
The following sporting example demonstrates which of Newton's Laws?
When a footballer jumps up to win a header, a force is exerted on the ground in order to gain height. At the same time, the ground exerts an upwards force (equal and opposite) upon the player.
a)
1st Law of inertia
b)
2nd Law of acceleration
c)
3rd law of action/ reaction
13.
9. Which type of lever would be in this image?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
14.
The definition for centre of mass is..
a)
The point at which the lever rotates
b)
The point of balance.
c)
The middle position in the body.
d)
The line extending vertically downwards.
15.
This baseball pitcher is demonstrating which type of lever at the shoulder?
a)
1st class
b)
2nd class
c)
3rd class
d)
4th class
16.
To increase stability a performer could...
a)
Lower their centre of gravity.
b)
Change the lever system they are using.
c)
Tense all muscles in the body.
17.

You determine what class a lever is by the part that is in the middle.

a)

True

b)

False

18.
A larger mass has greater ___
a)
momentum
b)
static friction
c)
inertia 
d)
all of these
19.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
20.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
21.
A force in the opposite direction to the motion of the object will cause the object to
a)
speed up
b)
slow down
c)
turn
d)
crash
22.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

23.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

24.

A baseball sitting stationary on a t-ball stand is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

25.

Striking a cricket ball with a cricket bat is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

26.

Newton's third law of motion states that 'for every action there is ...' what?

a)

An unbalanced force acting upon it.

b)

A chain of reactions.

c)

An equal and opposite reaction.

d)

A range of possible outcomes that may occur.

27.
You are competing in a 100m race in the pool.  Each length of the pool is 50m.  What is your displacement?
a)
0m
b)
50m
c)
100m
28.
Newton's first law states...
a)
‘Everybody continues in its state of rest or motion in a straight line , unless compelled to change that state by external forces exerted upon it.’
b)
‘The rate of momentum of a body (or the acceleration for a body of constant mass)is proportional to the force causing it and the change that takes place in the direction in which the force acts’. 
c)
‘To every action (force), there is an equal and opposite reaction (force)’.
d)
'Acts at the point of contact with the ground'.
29.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side 
c)
on the same side as the load arm. 
30.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
31.
The following sporting example demonstrates which of Newton's Laws?
When a footballer jumps up to win a header, a force is exerted on the ground in order to gain height. At the same time, the ground exerts an upwards force (equal and opposite) upon the player.
a)
1st Law of inertia
b)
2nd Law of acceleration
c)
3rd law of action/ reaction
32.
9. Which type of lever would be in this image?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
33.
The definition for centre of mass is..
a)
The point at which the lever rotates
b)
The point of balance.
c)
The middle position in the body.
d)
The line extending vertically downwards.
34.
This baseball pitcher is demonstrating which type of lever at the shoulder?
a)
1st class
b)
2nd class
c)
3rd class
d)
4th class
35.
To increase stability a performer could...
a)
Lower their centre of gravity.
b)
Change the lever system they are using.
c)
Tense all muscles in the body.
36.

You determine what class a lever is by the part that is in the middle.

a)

True

b)

False

37.
A larger mass has greater ___
a)
momentum
b)
static friction
c)
inertia 
d)
all of these
38.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
39.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
40.
A force in the opposite direction to the motion of the object will cause the object to
a)
speed up
b)
slow down
c)
turn
d)
crash
41.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

42.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

43.

A baseball sitting stationary on a t-ball stand is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

44.

Striking a cricket ball with a cricket bat is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

45.

Newton's third law of motion states that 'for every action there is ...' what?

a)

An unbalanced force acting upon it.

b)

A chain of reactions.

c)

An equal and opposite reaction.

d)

A range of possible outcomes that may occur.

46.
You are competing in a 100m race in the pool.  Each length of the pool is 50m.  What is your displacement?
a)
0m
b)
50m
c)
100m
47.
Newton's first law states...
a)
‘Everybody continues in its state of rest or motion in a straight line , unless compelled to change that state by external forces exerted upon it.’
b)
‘The rate of momentum of a body (or the acceleration for a body of constant mass)is proportional to the force causing it and the change that takes place in the direction in which the force acts’. 
c)
‘To every action (force), there is an equal and opposite reaction (force)’.
d)
'Acts at the point of contact with the ground'.
48.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side 
c)
on the same side as the load arm. 
49.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
50.
The following sporting example demonstrates which of Newton's Laws?
When a footballer jumps up to win a header, a force is exerted on the ground in order to gain height. At the same time, the ground exerts an upwards force (equal and opposite) upon the player.
a)
1st Law of inertia
b)
2nd Law of acceleration
c)
3rd law of action/ reaction
51.
9. Which type of lever would be in this image?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
52.
The definition for centre of mass is..
a)
The point at which the lever rotates
b)
The point of balance.
c)
The middle position in the body.
d)
The line extending vertically downwards.
53.
This baseball pitcher is demonstrating which type of lever at the shoulder?
a)
1st class
b)
2nd class
c)
3rd class
d)
4th class
54.
To increase stability a performer could...
a)
Lower their centre of gravity.
b)
Change the lever system they are using.
c)
Tense all muscles in the body.
55.

You determine what class a lever is by the part that is in the middle.

a)

True

b)

False

56.
A larger mass has greater ___
a)
momentum
b)
static friction
c)
inertia 
d)
all of these
57.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
58.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
59.
A force in the opposite direction to the motion of the object will cause the object to
a)
speed up
b)
slow down
c)
turn
d)
crash
60.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

61.

A swimming pushing their feet off the wall is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

62.

A baseball sitting stationary on a t-ball stand is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

63.

Striking a cricket ball with a cricket bat is an example of which of Newton's 3 laws of motion?

a)

Law of Acceleration

b)

Law of Action and Reaction

c)

Law of Inertia

64.

Newton's third law of motion states that 'for every action there is ...' what?

a)

An unbalanced force acting upon it.

b)

A chain of reactions.

c)

An equal and opposite reaction.

d)

A range of possible outcomes that may occur.

65.
You are competing in a 100m race in the pool.  Each length of the pool is 50m.  What is your displacement?
a)
0m
b)
50m
c)
100m