If the velocity of the body is decreasing, the acceleration will be _______________.
(a) Positive
(b) Negative
(c) Uniform
(d) Zero
If the velocity of the body changes by equal amount in equal intervals of the time, the acceleration will be ____________________.
(a) Positive
(b) Negative
(c) Uniform
(d) Zero
If the velocity of the body is uniform, the acceleration will be _________________.
(a) Positive
(b) Negative
(c) Uniform
(d) Zero
The slope of velocity-time graph is equal to ________________.
(a) Average displacement
(b) Average velocity
(c) Average acceleration
(d) None of these
The instantaneous acceleration can be found from the velocity-time graph at any time and at any point by the slope of ________________________.
(a) Tangent at that point
(b) Diagonal at that point
(c)Perpendicular at that point
(d) None of these
The area between the velocity-time graph and the time axis is numerically equal to
(a) The distance covered by the object
(b) The speed of the object
(c)The velocity of the object
(d)The acceleration of the object
For very fast moving objects, we apply
(a) Newton’s law of motion
(b) Einstein’s relativistic mechanics
(c) Head to tail rule
(d) None of these
The name of Newton’s famous book is
(a) Principia
(b) Introduction to Mechanics
(c) Introduction of Physics
(d) None of these
A body at rest will remain at rest, and a body moving with uniform velocity will continue to do so, unless acted on by some force. This force must be ___________________.
(a) Unbalanced
(b) External
(c) Both of them
(d) None of these
Newton’s first law of motion is also known as law of ________________.
(a) Mass
(b) Energy
(c)Inertia
(d) Force
The property of an object tending to maintain the state of rest or state of uniform motion is referred to as the object’s
(a)Mass
(b)Energy
(c)Inertia
(d) Force
What is the quantitative measure of inertia of an object?
(a)Mass
(b)Energy
(c) Force
(d) None of these
Newton’s first law of motion holds in
(a) Inertial frame of reference
(b) Non-inertial frame of reference
(c) Accelerated frame of reference
(d) None of these.
According to Newton’s second law of motion, acceleration produced in a body by force varies
(a) Directly with applied force
(b) Inversely with the mass of the body
(c) Both of them
(d) None of these
According to Newton’s third law of motion, action an reaction are ________________.
(a) Equal
(b) Opposite
(c) Both of them
(d) None of these