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5.0
PRE-ASSESSMENT - PHYS 206 Questions with Detailed
Verified Answers (100% Correct Answers) /Already
Graded A+
Quiz: Two metal balls are the same size but one weighs twice as much
as the other. The balls are dropped from the roof of a single story
building at the same instant of time. The time it takes the balls to reach
the ground below will be:
Ans: about the same for both balls.
Quiz: Two metal balls are the same size but one weighs twice as much
as the other. The two metal balls roll off a horizontal table with the same
speed. In this situation:
Ans: both balls hit the floor at about the same horizontal distance from the
base of the table.
Quiz: A stone dropped from the roof of a single story building to the
surface of the earth:
Ans: speeds up because of an almost constant force of gravity acting upon
it.
Quiz: A large truck collides head-on with a small compact car. During
the collision:
Ans: the truck exerts the same amount of force on the car as the car exerts
on the truck.
18:36:59
, Quiz: The figure shows a frictionless channel in the shape of a segment
of a circle with its center at O.
The channel has been anchored to a frictionless horizontal table top.
Forces exerted by the air are negligible.
You are looking down at the table. A ball is shot a high speed into the
channel at p and exits at r.
Consider the following distinct forces:
1. A downward force of gravit
2. A force exerted by the channel pointing from q to O
3. A force in the direction of motion
4. A force pointing from O to q
Which of the above forces is (are) acting on the ball when it is within
the frictionless channel at position q?
Ans: 1 and 2
Quiz: The figure shows a frictionless channel in the shape of a segment
of a circle with its center at O.
Examstudy - Stuvia US
In today's fast-paced educational landscape, students need reliable resources to excel in their studies.
5.0
PRE-ASSESSMENT - PHYS 206 Questions with Detailed
Verified Answers (100% Correct Answers) /Already
Graded A+
Quiz: Two metal balls are the same size but one weighs twice as much
as the other. The balls are dropped from the roof of a single story
building at the same instant of time. The time it takes the balls to reach
the ground below will be:
Ans: about the same for both balls.
Quiz: Two metal balls are the same size but one weighs twice as much
as the other. The two metal balls roll off a horizontal table with the same
speed. In this situation:
Ans: both balls hit the floor at about the same horizontal distance from the
base of the table.
Quiz: A stone dropped from the roof of a single story building to the
surface of the earth:
Ans: speeds up because of an almost constant force of gravity acting upon
it.
Quiz: A large truck collides head-on with a small compact car. During
the collision:
Ans: the truck exerts the same amount of force on the car as the car exerts
on the truck.
18:36:59
, Quiz: The figure shows a frictionless channel in the shape of a segment
of a circle with its center at O.
The channel has been anchored to a frictionless horizontal table top.
Forces exerted by the air are negligible.
You are looking down at the table. A ball is shot a high speed into the
channel at p and exits at r.
Consider the following distinct forces:
1. A downward force of gravit
2. A force exerted by the channel pointing from q to O
3. A force in the direction of motion
4. A force pointing from O to q
Which of the above forces is (are) acting on the ball when it is within
the frictionless channel at position q?
Ans: 1 and 2
Quiz: The figure shows a frictionless channel in the shape of a segment
of a circle with its center at O.
Examstudy - Stuvia US
