Cards in this guide (26)
What is an isolated system
An isolated system is a collection of mass that does not
interact with anything else in the universe.
If a bicycle has a mass of 10 kg and a velocity of 11 ms what is the magnitude of its momentum
Momentum = Mass x Velocity = 11 x 10 = 110 Ns (Newton
seconds)
Momentum is a vector quantity
When you set something down on the ground what kind of work are your arms doing
What does a simple pulley do
Which of the following is equal to an impulse of 9 units
Apex:
Force = 2, time = 4.5.
The maximum displacement of a particle within a wave above or below its blank position is called amplitude
It takes 300 N to move a box 10 meters in 10 seconds How much power is required
When a wave moves from a dense medium to a less dense medium most of the wave energy is
Work is the product of force and an objects what
Work is the product of a force, and the distance along which the
force is applied.
Determine two ways power can be increased
One way to increase power is to work harder (generate more
energy in same amount of time). Another way to increase power is to
work faster (generate the same amount of energy in less time).
Inclined plane makes work easier by increasing the distance and decreasing the
Items involve a wedge
There are many items in everyday life that involve a wedge. A
spatula for cooking is a wedge, a door stopper is a wedge used to
stop the door, and a knife use to chop vegetables is a wedge.
Spaceship 1 and Spaceship 2 have equal masses of 300 kg Spaceship 1 has a speed of 0 ms and Spaceship 2 has a speed of 6 ms What is the magnitude of their combinied momentum
Give two examples of class 2 levers
Wheel barrows and bottle openers are two examples of class 2
levers.
Spaceship 1 and Spaceship 2 have equal masses of 150 kg Spaceship 1 has an initial momentum magnitude of 900 kg-ms What is its initial speed
Which requires more power-walking or running up the steps and why
Running up requires more power. The reason is that you spend the same energy in less time.
Running up requires more power. The reason is that you spend the same energy in less time.
Running up requires more power. The reason is that you spend the same energy in less time.
Running up requires more power. The reason is that you spend the same energy in less time.
What is an example of conditions not producing work
the momentum must be greater than the force .
the force may be very large
According to the law of conservation of BLANK in an isolated system the initial total momentum before a collision equals the final total momentum.
In a collision a vehicle that rebounds off the object it trikes experiences less force than if it crumples assuming the time is the same in both situations
Spaceship 1 and spaceship 2 have equal masses of 200 kg 1 has a speed of 0 ms and spaceship 2 has a speed of 10 ms what is the magnitude of their combined momentum
What is a blank statement
What do we call a collection of matter that does not interact with anything else in the universe
An isolated system I think
Which of the following items does not use a wheel and axle (Apex)
Is this True or False that circular motion occurs on Earth
Circular motion does occur on earth.
Which of the following is considered to be a conservative force