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WorksheetsChapter 2: Kinematic (set 2)
Total questions: 25
Worksheet time: 25mins
Slope of velocity time graph is:
Acceleration
Displacement
Distance
Speed
The area between the velocity-time graph is numerically equal to:
Speed
Displacement
Time
Acceleration
Which graph represents zero acceleration (constant velocity)?
A
B
C
D
When is the average velocity of an object equal to the instantaneous velocity?
Always
Never
Only when the velocity is constant
Only when the velocity is increasing at a constant rate
Suppose that an object is moving with a constant velocity. Make a statement concerning its acceleration
The acceleration must be constantly increasing.
The acceleration must be constantly decreasing
The acceleration must be a constant non-zero value.
The acceleration must be equal to zero.
Can an object's velocity change direction when its acceleration is constant? Support your answer with an example.
No, this is not possible because it is always speeding up.
No, this is not possible because it is always speeding up or always slowing down, but it can never turn around.
Yes, this is possible, and a rock thrown straight up is an example
Yes, this is possible, and a car that starts from rest, speeds up, slows to a stop, and then backs up is an example.
When an object is released from rest and falls in the absence of friction, which of the following is true concerning its motion?
The speed of the falling object is proportional to its mass.
The speed of the falling object is proportional to its weight.
The speed of the falling object is inversely proportional to its surface area.
None of the above is true
Suppose a ball is thrown downward in the absence of air resistance. Make a statement concerning its acceleration.
Its acceleration is constantly increasing.
Its acceleration is constant.
Its acceleration is constantly decreasing
Its acceleration is zero.
An object is moving with constant non-zero acceleration in the +x axis. The position versus time graph of this object is
A horizontal straight line.
A vertical straight line
A straight line making an angle with the time axis.
A parabolic curve
An object is moving with constant non-zero velocity in the +x axis. The velocity versus time graph of this object is
A horizontal straight line.
A vertical straight line
A straight line making an angle with the time axis
A parabolic curve.
The slope of a velocity versus time graph gives
Position
Velocity
Acceleration.
Displacement.
The area under a curve in a velocity versus time graph gives
Acceleration
Velocity
Displacement
Position
Ignoring air resistance, the horizontal component of a projectile's acceleration
Is zero.
Remains a non-zero constant.
Continuously increases.
Continuously decreases
Ignoring air resistance, the horizontal component of a projectile's velocity
Is zero
Remains constant.
Continuously increases.
Continuously decreases.
You are traveling at 55 km/s in the +x axis relative to a straight, level road. After 10 second you turn your can go in the opposite direction travelling at 40 km/s. What is your displacement?
5.5 kms−1
15 kms−1
550 kms−1
95 kms−1
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45 above the horizontal. What is the vertical component of its acceleration as it travels along its trajectory?
9.80 ms−2 downward
(9.80ms−2) ×sin(45°) downward
(9.80ms−2) ×sin(45°) upwards
(9.80ms−2) upwards
A brick is dropped from the top of a building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks.
The first brick accelerates faster
The second brick accelerates faster
The two bricks accelerate at the same rate.
It is impossible to determine from the information given.
The area under a curve in an acceleration versus time graph gives
Acceleration
Velocity
Displacement
Position
The slope of a position versus time graph gives
Position.
Velocity.
Acceleration.
Displacement.
Which of the following five acceleration versus time graphs is correct for an object moving in a straight line at a constant velocity of 20 m/s?
You toss a ball straight upward, in the positive direction. The ball falls freely under the influence of gravity.
At the highest point in the ball’s motion:
its velocity is zero and its acceleration is zero.
its velocity is zero and its acceleration is negative (downward).
its velocity is positive (upward) and its acceleration is zero.
its velocity is zero and its acceleration is positive (upward).
A body covering equal displacement in equal interval of time possesses:
Variable velocity
Uniform acceleration
Uniform velocity
None of above
When velocity time graph is a straight line parallel to time axis then:
Acceleration is const
Acceleration is variable
Acceleration is zero
Velocity is zero
Of the following situations, which one is impossible?
A body having velocity east and acceleration east
A body having velocity east and acceleration west
A body having constant acceleration and variable velocity
A body having constant velocity and variable acceleration
A change in velocity over time is known as:
Acceleration
Average speed
Constant speed
Displacement
