Linear Motion

Define linear motion?

• Motion for a car

• Motion in a straight line

• Motion which is not straight

• Motion of a wind

Give one example for non-linear motion

• A moving escalator

• A moving train

• A 100m race track

• Ice skating

Distance is a ______________

• time taken to complete the journey

• total velocity archieve

• length measured in specific direction

• total path taken for the whole journey

"rate of change of displacement"

This is definition for ?

• Displacement

• Velocity

• Acceleration

• Distance

"rate of change of speed or velocity"

This is definition for ?

• acceleration

• distance

• deceleration

• displacement

A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?

• 4.29 m/s³

• 4.29 m/s²

• 4.29 m/s¹

• 4.29 m/s

A student cycling at a speed of 12 m s^-1 and reach his destination in 6 seconds. The distance travelled by him is

• 18 m

• 36 m

• 54 m

• 72 m

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

A squirrel reaches a speed of 5 m/s starting from rest within 2 seconds. What is the squirrel's acceleration?

• 0 m/s²

• 5 m/s²

• 10 m/s²

• 2.5 m/s²

Displacement is

• The resultant straight distance is at the initial position only

• The resultant straight distance is at the final position only

• The resultant straight distance from the start position to the end position

• Resultant straight distance