Q1. For a freely falling body, the
(a)velocity increases
(b) acceleration increases
(c) both of the above
(d) none of the above
Q2. If we disregard any air resistance for a falling body, then it is right to say that it will fall at constant
(a) velocity
(b) speed
(c) distances each successive second
(d) acceleration
Q3. Walking comes naturally to humans, but force that lets you to walk on a floor is the
(a) friction force of the floor on your foot.
(b) reaction force of your foot against the floor.
(c) both A and B
(d) neither A nor B
Q4. An animal gets ______ by gliding.
(a) better control its fall.
(b) gain forward thrust.
(c) reduce its inertia.
(d) fly at reduced speed.
Q5. A moving particle will continue to move with constant _____ if no forces are acting on it
(a) acceleration
(b) momentum
(c) impulse
(d) all of the above
Q6. Every moving electorn is surrounded with:
(a) a magnetic field
(b) an electric field
(c) both (a) and (b)
(d) none of the above
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