Understanding Linear Motion

The video tutorial introduces the concepts of motion, focusing on uniform and non-uniform linear motion. It explains the differences between distance and displacement, and provides examples of each. The tutorial covers the equations and graphical representations of uniform linear motion (GLB) and non-uniform linear motion (GLBB), with practical examples such as vehicles on roads and aircraft takeoff. The video concludes with problem-solving exercises to reinforce understanding.

What made Dayu's father enjoy the journey back to their hometown?

• The smooth roads

• The beautiful and refreshing scenery

• The comfortable car

• The fast travel time

What happens to the distance and time required when a road is winding?

• Both distance and time decrease

• Distance decreases but time increases

• Distance increases but time decreases

• Both distance and time increase

In uniform linear motion (GLB), what remains constant?

• Acceleration

• Speed

• Distance

• Time

Which of the following is an example of uniform linear motion (GLB)?

• A ball falling freely

• A plane taking off

• A train moving on a straight track at constant speed

• A car accelerating on a highway

What is the formula for speed in uniform linear motion (GLB)?

• v = u + at

• s = ut + 1/2at^2

• v = s/t

• v^2 = u^2 + 2as

In non-uniform linear motion (GLBB), what remains constant?

• Speed

• Distance

• Time

• Acceleration

Which equation represents the final velocity in non-uniform linear motion (GLBB)?

• s = ut + 1/2at^2

• v^2 = u^2 + 2as

• v = u + at

• v = s/t

What type of motion does a plane taking off represent?

• Uniform linear motion (GLB)

• Circular motion

• Non-uniform linear motion (GLBB)

• Projectile motion

In horizontal non-uniform linear motion (GLBB), what indicates acceleration?

• Decreasing speed

• Constant speed

• Increasing speed

• Constant distance

If a car starts from rest and accelerates at 4 m/s² for 18 seconds, what is its final speed?

• 90 m/s

• 36 m/s

• 54 m/s

• 72 m/s