CQ-1. A ball is thrown vertically upwards. After the ball is released and is moving upwards towards its peak, it slows down. During this time, a) the ball is experiencing an unbalanced force; it is directed downwards. b) the ball is experiencing an unbalanced force; it is directed upwards. e there are no forces whatsoever acting upon the ball. d) the forces acting upon the ball are balanced. none of these.

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Chapter1: Units, Trigonometry. And Vectors
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Gravitution: the box Is being Rulled down uh
CQ-1. A ball is thrown vertically upwards. After Ihe ball is released and is moving upwards
towards its peak, it slows down. During this time,
a) the ball is experiencing an unbalanced force; it is directed downwards.
b) the ball is experiencing an unbalanced force; it is directed upwards.
there are no forces whatsoever acting upon the ball.
d) the forces acting upon the ball
balanced.
are
none of these.
CQ-2. For the following physical situation, identify the forces that are exerted on the object. Circle
all that apply.
A box (object) hangs from a rope.
Gravitational force
a
b) Frictional force
Normal force
d) Tension
e) Magnetic force
f) Spring force
Air resistance
7 CQ-3. For all the forces chosen in CQ-2, identify the reaction forces and the objects between which
they act.
Nor mal
Karce:
: The foree of the bix
Tension forcei tensiag ererted by the String to box
IS due to ela stey and intermoleeu lar fore
force
franomilted.
Gravitation: the box
pulling down
what's the recetim fores ?
Rilled down uh
o6jects?
is
IS being
Srauiti
Transcribed Image Text:Gravitution: the box Is being Rulled down uh CQ-1. A ball is thrown vertically upwards. After Ihe ball is released and is moving upwards towards its peak, it slows down. During this time, a) the ball is experiencing an unbalanced force; it is directed downwards. b) the ball is experiencing an unbalanced force; it is directed upwards. there are no forces whatsoever acting upon the ball. d) the forces acting upon the ball balanced. are none of these. CQ-2. For the following physical situation, identify the forces that are exerted on the object. Circle all that apply. A box (object) hangs from a rope. Gravitational force a b) Frictional force Normal force d) Tension e) Magnetic force f) Spring force Air resistance 7 CQ-3. For all the forces chosen in CQ-2, identify the reaction forces and the objects between which they act. Nor mal Karce: : The foree of the bix Tension forcei tensiag ererted by the String to box IS due to ela stey and intermoleeu lar fore force franomilted. Gravitation: the box pulling down what's the recetim fores ? Rilled down uh o6jects? is IS being Srauiti
20s
CQ-5. In a physics lab, two carts of varying mass collide on a low-friction track in such a manner
that the system can be considered as an isolated system. The before- and after-collision
velocities of the carts are represented by vector arrows.
Before Collision
After Collision
VB =???
V.
VB
m/
me
m
VB
VB
VB
VB
b.
с.
d.
а.
VB
VB
VB
f.
g.
h.
Transcribed Image Text:20s CQ-5. In a physics lab, two carts of varying mass collide on a low-friction track in such a manner that the system can be considered as an isolated system. The before- and after-collision velocities of the carts are represented by vector arrows. Before Collision After Collision VB =??? V. VB m/ me m VB VB VB VB b. с. d. а. VB VB VB f. g. h.
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