Describing Motion
The rate of change of an object's position with respect to time is defined as it's...
velocity
An object starts from rest and accelerates at 2 m/s2 for 4 seconds. What is its final velocity?
8 m/s
What is Newton's First Law of Motion?
An object at rest/in motion will stay at rest/in motion unless acted on by an outside/unbalanced force
A weight of 20 N hangs from a rope. What is the magnitude of the tension in the rope?
20 N
What was the name of the Jedi Knight-turned-Sith-Lord before his fall to the Dark Side, becoming known as Darth Vader?
Velocity has a direction; speed does not. This means that velocity is a ___________ quantity.
vector
An object starts at 5 m/s and accelerates at a rate of 4 m/s2 for 2 seconds. What is its final velocity?
13 m/s
What is Newton's Second Law of Motion?
F = ma
A 1000-kg car accelerates at 3 m/s2. How much force is acting on the car?
3000 N
Bilbo and Frodo Baggins are members of what short-statured species native to Middle-Earth, the setting of J.R.R. Tolkien's The Lord of the Rings?
Hobbits (or Halflings)
The rate of change of an object's velocity with respect to time is defined as it's...
acceleration
An object accelerates from rest to 30 m/s in 6 seconds. What is the object's acceleration?
6 m/s2
What is Newton's Third Law of Motion?
For every action, there is an EQUAL and OPPOSITE reaction
The mass of an object doubles, but the force applied to it stays the same. The object’s acceleration will...
Be halved
This starship was the flagship of the Federation's fleet after it was christened in 2245, the first Constitution-class vessel to leave spacedock. She was first captained by Christopher Pike, and later by James T. Kirk.
The USS Enterprise
A car is moving at a speed 20 m/s for 10 seconds. How far has it travelled?
200 meters
A car has an initial velocity of 20 m/s. The driver hits the brakes, accelerating at a rate of -4 m/s2. How long does it take the car to come to a stop?
5 seconds
If you apply a force of 10 N to a wall, the wall applies what force to you?
- 10 N
A 40-N force is applied to a 20-kg box. How fast does the box accelerate?
2 m/s2
Gandalf the Grey met a fiery end after his days-long duel with the Balrog of Morgoth that the Fellowship of the Ring met in what cavernous network of mines beneath the Misty Mountains, known to the dwarves as "Khazad-dûm"?
A car has an initial velocity of 20 m/s. It accelerates at a rate of -10 m/s2 for 2 seconds. How fast is it moving now?
0 m/s
A rock is dropped from rest from the top of a 20 m cliff. How long does it take for the rock to hit the ground?
2 seconds
196 N
A crane applies a force of 8000 N to a crate that accelerates upward at 4 m/s2. What is the mass of the crate?
2000 kg
Galadriel and her husband, Celeborn, rule over this mystical woodland realm from their treetop haven in Caras Galadhon. Its name in Sindarin translates to "dream flower."
Lothlórien (or Lórien)