Momentum
What are the 2 factors that affect momentum of an object?
Mass & Speed
This refers to the angle between the projectile and the ground when the projectile is released.
Which factor is this?
Angle of release
For balance to exist, the line of gravity must fall inside the ....
Base of support
The fixed point around which the lever turns.
What is this a definition for?
Pivot or fulcrum
Who won the NBA Most Valuable Player award last season?
James Harden
Momentum = Mass x ?
Velocity
Generally, the more force you put into a projectile, the more it accelerates, and the more speed it has when it leaves your hand.
Which factor is this referring to?
Launch force/ speed of release
If the area of the base of support of an object is increased, this tends to increase the _________ of the object.
stability
When you push down on one side, you are applying force. The object on the other end (the ______ ) moves up.
Load
Who was the all star game MVP in the NBA this season?
Kevin Durant.
Momentum is measured in .....
kg m/s
This is how high or low the projectile is when it starts, in relation to its target.
Which factor?
Height of release.
The lower the center of gravity is above the ______ of _______ the more stable the object tends to be.
base of support
1st Class Lever
Who was the highest paid athlete in 2018?
Cristiano Ronaldo
P1 + P2 = ?
Ptotal
4th factor?
Spin
For an object, the farther the line of gravity falls from the edge of its base of support the more stable the object tends to be in that _________ .
direction
A wheelbarrow is an example of which type of lever?
2nd Class Lever
A total of ______ Australian athletes have won gold medals at the Olympic Summer and Winter Games from 1896 to 2018.
100 - 150 , 150 - 200, 200 - 250 or 250 - 300
250 - 300 (267)
Successfully catching a football will depend both on the ball’s momentum and the momentum of the hand as both absorb the impact of the collision.
This is known as .......
The conservation of momentum
The spin on the ball slows down the air flow on one side and speeds it up on the other side creating a pressure difference and causing the ball to move.
This is known as ....
Magnus Force
Subject starts with right foot on the starting position. Then hops to the left foot to land on station 1 and holds for 5 seconds. Then right foot for station 2 and hold for 5 seconds. Repeat this process zig-zagging through the course.
What is the name of this balance test?
BASS test
A calf raise is an example of which type of lever?
2nd Class Lever
How many gold medals has Australian swimmer Ian Thorpe won?
<10
5