Motion 1
The change in the position of an object is known as this.
Displacement
What is a car doing if on a velocity-time graph it is a straight line down?
slowing down
This state that an object's motion will not change unless acted upon by an unbalanced force?
Newton's first law
If a car is travelling 5 km and it takes them 1 hour, what is the speed of the car?
5 km/hr
Motion of a car if the line on the distance-time graph is horizontal.
Not moving
Acceleration that does not change in time is called this.
Constant acceleration
Newton's third law states
Any action force has an equal and opposite reaction force.
What units are used for acceleration?
m/s2
The slope of a velocity vs. time represents this.
acceleration
The metric units for distance and displacement
meter
The amount an object moves is known as this.
Distance
Newton's second law's equation is?
F=ma
This is where an object is located
position
A force of 20N acts upon a 5kg block. What is the acceleration of the block?
4 m/s2
Acceleration is calculated using this equation.
change in velocity over time
The magnitude of an object’s motion with regard to its direction is this.
Velocity
What is its speed if a car travels 300 meters in 20 seconds?
15m/s
What are the differences between a vector and a scalar quantities?
Vectors have a DIRECTION
What units are used to measure Force?
Newtons
The distance an object moves in a unit of time.
Speed
The magnitude of an object’s motion with no regard to direction is this.
Speed
The difference between the initial (first) position and the final position of an object is?
Displacement
What is velocity?
How fast something is moving in a given direction.
When looking at a graph the steepness of a line is known as the _______
Gradient
Two ice skates push off each other and they both glide in opposite directions. Which of Newton's Laws best describe this?
Newton's third law