Theories, Concepts, and Principles
The tendency of objects in motion to stay in motion, or objects at rest to stay at rest.
What is Inertia ?
Which carries more momentum AND how much ...
A car with a mass of 2,200 kg moving at 17 m/s
or
A truck with a mass of 2,900 kg moving at 11 m/s ?
What is the car with 37,400 N*s ?
The run-away train with mass = 267,000,000 kg travels at a speed of 77.56 m/s.
Spiderman pushes the train for 47 seconds to bring it to a stop.
Spiderman's Impact force on the train = _________ ?
What is 440,606,808.5 N ?
Two identical cars move in opposite directions at the same exact speed.
The momentum of the system = _________ ?
What is Zero ?
A 0.3 kg bullet is fired horizontally into a stationary block of wood that has a mass of 14.7 kg, becoming embedded in the process. If the muzzle velocity of the bullet was 180 m/s,
the bullet/block's final velocity = _______ ?
What is 3.6 m/s ?
A driving force applied over a period of time.
What is Impulse ?
Which provides a greater impulse AND how much
A bat hitting a ball with 4,500 N of force for 0.005 seconds
or
A boy tackling another with a force of 800 N for 0.5 seconds.
What is the Boy with an impulse of 400 N*s ?
Tom Cruise with a mass of 72.57 kg leaps off a bridge onto a moving train.
On contact, the train exerts a force of 777.54 N onto Tom, for roughly 2.8 seconds.
Tom's new velocity = ________ ?
What is 30 m/s ?
There are 3 identical race cars, each with a mass of 1,115 kg.
All three race cars travel with a velocity of 95 m/s.
The momentum of the system = ________ ?
What is 317,775 N*s ?
Which carries more momentum AND how much ...
A bullet with mass 0.05 kg, traveling at a speed of 250 m/s.
or
A student with mass 110 kg, traveling at a speed of 2.9 m/s.
What is the student with 319 N*s ?
In The Amazing Spiderman 2, Gwen has a mass = 55 kg. In one scene, as she falls at a velocity of -27 m/s, Spiderman throws his web to save her from hitting the ground. To bring her to a complete stop in 0.5 seconds,
Spiderman exerts an impact force = ________ ?
What is 2,970 N ?
Three identical soccer balls, each with a mass of 0.15 kg, are kicked at the same time.
All 3 soccer balls travel with individual velocities of 13 m/s.
The momentum of the system = ________ ?
What is 5.85 N*s ?
Which provides a greater impulse AND how much
A bat hitting a ball with 8,950 N of force for 0.018 seconds
or
A poodle jumping onto their owner with a force of 65 N for 0.25 seconds.
What is the Bat hitting a ball with an impulse of 161.1 N*s ?
Which carries more momentum AND how much ...
A car with a mass of 1,850 kg moving at 15 m/s
or
A truck with a mass of 3,400 kg moving at 5 m/s ?
What is the car with 27,750 N*s ?
Which carries more momentum AND how much ...
A bullet with mass 0.1 kg, traveling at a speed of 560 m/s.
or
A student with mass 70 kg, walking at a speed of 0.6 m/s.
What is the bullet with 56 N*s ?