This is the Newton's 3rd law pair for the weight of an object on a flat plane.
What is the normal force?
Energy is define as the ability to do this thing.
What is Work?
What is the difference between average velocity and instantaneous velocity?
Average velocity is averaged over time, vf-vi/t
Instantaneous velocity is the velocity at a single point in time, and can change over time.
A 125 kg man climbs down a wall that is 12 meters tall. The work done by gravity is
15,000 J
A solid sphere and a hollow sphere of equal mass and radius are released to roll down a ramp without slipping. Which reaches the bottom first and why?
The solid sphere, because its moment of inertia is smaller.
This is the final velocity a 500 kg car that starts at rest will have after it is rear-ended by a 650 kg car that is initially going 20 m/s. The cars lock together after they hit.
What is 11.3 m/s?
When talking about planetary gravitational potential energy, the potential energy always has a value less than this.
What is zero joules?
This is the symbol used to represent angular momentum.
What is L?
The definition of power involving work
What is P = work/time
If a box, ball, and thin hoop with the same size and mass are released down a frictionless ramp, THIS is the object that will reach the bottom first.
What is a three way tie?
A 5 kg loaded rifle is initially held at rest and then fired. The 0.05 kg bullet leaves the barrel at 450 m/s. This is the final momentum of the bullet-gun system.
What is zero kgm/s?
This quantity is not conserved in an inelastic collision.
What is kinetic energy?