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WorksheetsUnit 01 1D Kinematics
Total questions: 20
Worksheet time: 23mins
A rock is thrown straight up from the edge of a cliff. The rock reaches a maximum height of 15 m above the edge and then falls to the bottom of the cliff 35 m below. What is the displacement of the rock?
A. 15 m
B. 35 m
C. 50 m
D. 65 m
A car accelerates from rest at a constant rate 5 m/sec2 . Which of the following statements is true?
A. The car travels 5 m in every second
B. The car decreases its velocity 5 m/sec in every second
C. The car increases its velocity 5 m/sec in every second
D. The car’s velocity doesn’t change
If the acceleration of an object is zero, then that object cannot be moving.
True
False
What are the SI units of speed?
m
m/s
m/sec2
m/sec
What are the SI units of velocity?
m
m/sec2
m/sec
sec
How do you calculate average speed?
divide total time by total distance
multiply total time by total distance
divide total distance by total time
subtract total time from total distance
Velocity is both ____ and _____.
speed , direction
direction, mass
volume, density
direction, magnitude
Find the displacement in the first 5 seconds.
8 meters
4 meters
2 meters
5 meters
A car traveling at 22.4 m/sec skids to a stop in 2.55 sec. Determine the skidding distance of the car (assume uniform acceleration).
What number represents initial velocity?
v0 = 2.55 sec
v0= 22.4 m/sec
v0= 0 m/sec
v0 =?
What is the formula to calculate speed?
S = t/d
S = d/t
S = d x t
S = t x d
What is the SI unit for acceleration?
m/sec
m
m/sec2
sec
