Work, Power, and Momentum
- A push
or a pull is called _____.
- The
units of force are _____.
- Which
of these is an example of work?
- What
are the units of work?
- How
much work is done by lifting five newtons a distance of three meters?
- How
fast work is done is called _____.
- The
formula for power is ______.
- A box
weighing 100 newtons is carried up two meters of stairs. It takes five seconds to carry it. How much power does it take?
- Two
bumper cars collide head on. Which
statement best describes their collision?
- The
product of mass and velocity is _____.
- Which
has a greater momentum, a large
truck at rest or a small truck moving quickly?
- Why
does a cement truck moving slowly have a lot of momentum?
- Two
football players colliding and bouncing
off each other is an example of ___
- Applying
a force over a distance is called _____.
- How
much work is required to lift a 10 newton book from a shelf 3 meters up to a shelf 12 meters up?