Quick revision quiz

Question 1

Where is the center of mass ?

Answer 1

The point which the mass of the body can be considered to act.

Question 2

What is the measurement of the most direct route from starting point to finish ?

Answer 2

Displacement (and is a vector)

Question 3

Speed is the rate of change of what ?

Answer 3

Direction

Question 4

Velocity is the rate of change of what ?

Answer 4

Displacement

Question 5

Acceleration is the rate of change of what ?

Answer 5

Velocity

Question 6

What is Inertia ?

Answer 6

The reluctance of a body to change its state of being (to accelerate) Mass is a measure of inertia. In linear terms, mass and inertia are the same thing.

Question 7

What is Range ?

Answer 7

The distance a projectile travels (It depends on releas velocity, angle of release and hight of release)

Question 8

What is Torque ?

Answer 8

The amount of force you need to apply to move an abject multiplied by the distance between you and axis.

For example ‘https://www.youtube.com/watch?v=Jb65BJCyUCA’

Question 9

What is Angular Displacment ?

Answer 9

The angle an object moves through, between the starting and finishing point.