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WorksheetsY13 Linear Motion
Total questions: 40
Worksheet time: 27mins
What is the equation for impulse?
force ÷time
mass x velocity
force x time
velocity x time
What unit is impulse measured in?
(a)
When drawing a force-time graph, which component of force is drawn first?
(a)
On the graph, what goes along the Y axis? (you do not need to state the unit)
(a)
Which is true if an athlete is decelerating?
Friction = Air resistance
Friction < Air resistance
Friction > Air resistance
During the start of a 100m race, the net impulse is what?
positive
negative
equal
impulse
Which of the following is NOT an example of an external force?
reaction force
weight
muscle contraction
air resistance
What stage of a 100m race is the graph showing?
start
middle
end
On the graph, what goes along the X axis? (you do not need to state the unit)
(a)
What stage of a 100m race is the graph showing?
(a)
Which is not an example of an unbalanced force?
slowing down at the end of a race
jumping to clear the bar in high jump
handstand
jumping for a basketball rebound
Which is true if an athlete is accelerating?
Air Resistance = Friction
Air Resistance < Friction
Air Resistance > Friction
On a free body diagrams- the length of the arrow reflects the (a) of the force
A balanced force is when there are two or more forces acting on a body that are a) _______in size but b)______ in direction.
a)zero b)same
a)same b)zero
a) opposite b)equal
a) equal b)opposite
The effects of internal and external forces can be represented as vector diagrams. The vector diagram in this image shows the resultant forces for what athlete?
long jumper
high jumper
basketballer
gymnast
The effects of internal and external forces can be represented as vector diagrams. The vector diagram in this image shows the resultant forces for what athlete?
long jumper
high jumper
basketballer
gymnast
Impulse is used to a tennis player's advantage when they follow through with the racket. By doing this they create a bigger impulse by increasing what?
power
force
time
Impulse can be used to add speed to a body or object. A hammer throw athlete speeds up the hammer by increasing the amount of (a)
On a free body diagram, where is weight drawn from?
(a)
On a free body diagram, where is air resistance drawn from?
(a)
On a free body diagram, where is reaction force drawn from?
(a)
The two types of friction are called sliding and (a)
What factors which affects friction? (tick all that apply)
Surface characteristics,
Cross-sectional area
temperature
Mass
Velocity
What factors which affects air resistance? (tick all that apply)
shape and surface characteristics,
Cross-sectional area
temperature
Mass
Velocity
Which direction would friction be pointing on the sprinter?
up
down
forwards
backwards
Which direction would friction be pointing on the skier?
up
down
forwards
backwards
Friction opposes the (a) motion of two surfaces
Forces are.........
scalar
vector
Newton's first law of linear motion is called the law of (a)
What is the equation associated with Newton's 2nd Law
m=af
f=ma
a=mf
f=am
What is the definition of velocity?
the shortest routine in a straight line between the starting and finishing position
Quantity of motion possessed by a moving body
The rate of change of displacement
What is the displacement in a 400m race?
0
400
200
4
What is the equation for acceleration?
mass x velocity
final velocity – initial velocity ÷ time taken
distance ÷ time taken
force = mass x acceleration
Plantarflexion at the ankle is classified as what type of lever?
1st class
2nd class
3rd class
Throwing a tennis ball is an example of what type of lever?
1st class
2nd class
3rd class
Which is NOT true about a mechanical advantage? Tick ALL that apply
Has a large range of movement
Effort/force arm is shorter than the resistance arm
Has a small range of movement and is difficult to generate speed and distance
Lever can move a large load over a short distance with little effort/force.
Lever cannot move a heavy load (requires huge effort) but can do it faster
Which is true about a mechanical advantage? Tick ALL that apply
Effort/force arm is longer than the resistance arm
Effort/force arm is shorter than the resistance arm
Has a small range of movement and it is difficult to generate speed and distance
Lever can move a large load over a short distance with little effort/force.
Lever cannot move a heavy load (requires huge effort) but can do it faster
A 3rd class lever has a mechanical disadvantage as it cannot move a heavy load with little effort. However, it also has an advantage as it ..............? (pick all that apply)
has a large range of motion
has a small range of motion
can move quickly
can move slowly
What class lever does this picture show?
1st
2nd
3rd
How are you finding home learning for PE for CS/SK .....E.g. how are you finding the balance between live and remote lessons? What are you enjoying? What are you finding hard? Anything you were prefer doing?
