linear motion

Instantaneous rate of change of displacement is a definition of

• Instantaneous velocity

• Instantaneous acceleration

• Instantaneous displacement

• velocity

What value will you get if you calculate the gradient of a v-t graph

• acceleration

• velocity

• distance

• displacement

Describe this graph

• constant acceleration

• constant deceleration

• object move to the left

• constant velocity

An object starts its linear motion from rest. Which of the following quantities does not change throughout the motion?

• Time

• Initial velocity

• Final velocity

• Acceleration

When one object is travelling with a constant velocity, its acceleration will be 

• decreasing
• increasing
• constant
• zero

The distance travelled by an object with a constant speed of 2 ms^-1 in a time of 6 s is 

• 3 m
• 6 m
• 9 m
• 12 m

What is the displacement of a track that moves 
3 km East and then 4 km South?

• 1 km East
• 7 km Northwest
• 5 km Southeast
• 5 km

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

Acceleration only takes place when things speed up. 

• True
• False

What is the straight line length from the starting point to the ending point and the direction traveled?

• Displacement
• Distance
• Frame of Reference
• Vector