DBS10012 - LINEAR MOTION (TOPIC 2)

Give one example for non-linear motion

• A 100m race track

• A moving escalator

• Snake sleeping

• Ice skating

What is meant by linear motion?

• motion of an object

• motion going forward

• motion without acceleration

• motion is a straight line

Calculate the speed of a horse that runs 1200 m in 120 second

• 0.01 m/s

• 1 m/s

• 0.1 m/s

• 10 m/s

A car increase its forward velocity uniformly from 40 ms^-1 to 80 ms^-1 while travelling a distance of 200 m. What is its acceleration during this time?

• 8.0 ms-²

• 24 ms-²

• 12 ms-²

• 9.6 ms-²

Based on the graph determine the velocity of the car at 3 s

• 3 ms^-1

• 10 ms^-1

• 5 ms^-1

• 2 ms^-1

Based on the graph determine the total distance travelled in 4 s

• 20 m

• 15 m

• 27 m

• 25 m

Based on the graph determine the deceleration of the car

• 5 ms^-2

• 2.5 ms^-2

• -2.5 ms^-2

• -5 ms^-2

A car starts moving with the initial velocity of 10 ms^-1 and constant acceleration of 5 ms^-2 until its velocity increases in 3 s. Calculate the displacement of of the car as it accelerates

• 52.5 m

• 5.25 m

• 525 m

• 0.525 m

A van accelerated 2 ms^-2 uniformly from a velocity of 15 ms^-1 to 20 ms^-1. What was the time of the van?

• 25 s

• 2.5 s

• -2.5 s

• -25 s

Aisy traveled 5000 m from Seremban to Bandar Ainsdale within 720 s. What is his average velocity?

• 6.94 ms^-1

• 0.144 ms^-1

• 3.6 x 10³ ms^-1

• 0.694 ms^-1