Equations of Motion
Physics ⇒ Mechanics
Equations of Motion starts at 8 and continues till grade 12.
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Explain why the equations of motion cannot be used for motion with variable acceleration.
If a body moves with a constant velocity, what is its acceleration?
If a body starts from rest, what is the value of its initial velocity (u)?
If an object is thrown upwards, what is the sign of acceleration due to gravity?
A ball is thrown vertically upwards with an initial velocity of 20 m/s. Assuming acceleration due to gravity is -10 m/s², how long will it take to reach the highest point?
A body moves with a uniform acceleration of 3 m/s². If its initial velocity is 4 m/s, what will be its velocity after 6 seconds?
A body moves with an initial velocity of 6 m/s and an acceleration of 2 m/s². What will be its velocity after 7 seconds?
A body starts from rest and travels 40 m in 4 seconds with uniform acceleration. What is its acceleration?
Which of the following is a correct definition of acceleration?
(1) Rate of change of displacement
(2) Rate of change of velocity
(3) Rate of change of speed
(4) Rate of change of distance
Which of the following is NOT a condition for using the equations of motion?
(1) Constant acceleration
(2) Straight-line motion
(3) Variable acceleration
(4) Known initial velocity
Which of the following is NOT an equation of motion?
(1) v = u + at
(2) s = ut + (1/2)at²
(3) v² = u² + 2as
(4) s = vt + (1/2)at²
Which of the following is the correct equation of motion for velocity when acceleration is constant?
(1) v = u + at
(2) v = u - at
(3) v = u + 2at
(4) v = u - 2at
Fill in the blank: The acceleration due to gravity on Earth is approximately ________ m/s².
Fill in the blank: The area under a velocity-time graph gives the ________ travelled.
Fill in the blank: The final velocity after time t is given by v = ________.
Fill in the blank: The initial velocity in the equations of motion is usually denoted by the letter ________.
Is it possible for an object to have zero velocity and still be accelerating?
State whether the following statement is true or false: The equations of motion are derived from the definitions of acceleration and velocity.
State whether the following statement is true or false: The equations of motion can be used for both positive and negative acceleration.
True or False: The equations of motion are only valid for motion with uniform acceleration.
