132. A wooden block is at rest on a wooden inclined plane. As the angle the plane makes with the horizontal is increased, the coefficient of static friction between the block and the plane (1) decreases (2) increases (3) remains the same
132. A wooden block is at rest on a wooden inclined plane. As the angle the plane makes with the horizontal is increased, the coefficient of static friction between the block and the plane (1) decreases (2) increases (3) remains the same
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter4: Forces In One Dimension
Section: Chapter Questions
Problem 66A
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Question
please help with question 132
![Base your answers to questions 121 to 123 on the
information below.
Base your answers to questions 127 through 130 on
the following information and diagram.
A force of 10. newtons toward the right is exerted
on a wooden crate initially moving to the right on
a horizontal wooden floor. The crate weighs 25
A horizontal force is used to pull a 5.0-kilogram cart
at a constant speed of 5.0 meters per second across
the floor. The force of friction between the cart and
the floor is 10. newtons.
newtons.
V = 5.0 m/s
121. Calculate the magnitude of the force of friction
between the crate and the floor.
Horizontal force
5.0 kg
122. What is the magnitude of the net force acting
on the crate?
Floor
123. Is the crate accelerating? Explain your answer.
127. What is the magnitude of the horizontal force
along the handle of the cart?
124. The diagram below represents a 10.-newton
block sliding at constant speed down a
plane that makes an angle of 30.° with the
horizontal.
128. Calculate the weight of the cart.
129. Compare the weight of the cart to the normal
force.
130. Calculate the coefficient of kinetic friction
between the cart and the floor.
10. N
131. A constant horizontal force of 5.2 newtons
is applied to a wooden block to slide it at
constant speed across a wooden table.
Calculate the weight of the block.
30.
The magnitude of the frictional force acting on
the block is
132. A wooden block is at rest on a wooden inclined
plane. As the angle the plane makes with the
horizontal is increased, the coefficient of static
friction between the block and the plane
(1) 5.0 N
(2) 10. N
(3) 49 N
(4) 98 N
125. Sand is often placed on an icy road because
the sand
(1) decreases
(2) increases
(3) remains the same
(1) decreases the coefficient of friction
between the tires of a car and the road
(2) increases the coefficient of friction between
the tires of a car and the road
(3) decreases the gravitational force on a car
(4) increases the normal force of a car on
133. A wooden block is at rest on a wooden inclined
plane. As the angle the plane makes with the
horizontal is increased, the magnitude of the
force of static friction between the block and
the plane
the road
126. A 10.-kilogram rubber block is pulled
horizontally at constant velocity across a sheet
of ice. Calculate the magnitude of the force of
friction acting on the block.
(1) decreases
(2) increases
(3) remains the same
Momentum
The product of an object's mass and velocity is a vector quantity called](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f16f9eb-6ae7-4b95-afce-9b222d932d1e%2Fc578c667-d57f-4c4b-8bde-7b5b19111200%2Fm7qv5bs6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Base your answers to questions 121 to 123 on the
information below.
Base your answers to questions 127 through 130 on
the following information and diagram.
A force of 10. newtons toward the right is exerted
on a wooden crate initially moving to the right on
a horizontal wooden floor. The crate weighs 25
A horizontal force is used to pull a 5.0-kilogram cart
at a constant speed of 5.0 meters per second across
the floor. The force of friction between the cart and
the floor is 10. newtons.
newtons.
V = 5.0 m/s
121. Calculate the magnitude of the force of friction
between the crate and the floor.
Horizontal force
5.0 kg
122. What is the magnitude of the net force acting
on the crate?
Floor
123. Is the crate accelerating? Explain your answer.
127. What is the magnitude of the horizontal force
along the handle of the cart?
124. The diagram below represents a 10.-newton
block sliding at constant speed down a
plane that makes an angle of 30.° with the
horizontal.
128. Calculate the weight of the cart.
129. Compare the weight of the cart to the normal
force.
130. Calculate the coefficient of kinetic friction
between the cart and the floor.
10. N
131. A constant horizontal force of 5.2 newtons
is applied to a wooden block to slide it at
constant speed across a wooden table.
Calculate the weight of the block.
30.
The magnitude of the frictional force acting on
the block is
132. A wooden block is at rest on a wooden inclined
plane. As the angle the plane makes with the
horizontal is increased, the coefficient of static
friction between the block and the plane
(1) 5.0 N
(2) 10. N
(3) 49 N
(4) 98 N
125. Sand is often placed on an icy road because
the sand
(1) decreases
(2) increases
(3) remains the same
(1) decreases the coefficient of friction
between the tires of a car and the road
(2) increases the coefficient of friction between
the tires of a car and the road
(3) decreases the gravitational force on a car
(4) increases the normal force of a car on
133. A wooden block is at rest on a wooden inclined
plane. As the angle the plane makes with the
horizontal is increased, the magnitude of the
force of static friction between the block and
the plane
the road
126. A 10.-kilogram rubber block is pulled
horizontally at constant velocity across a sheet
of ice. Calculate the magnitude of the force of
friction acting on the block.
(1) decreases
(2) increases
(3) remains the same
Momentum
The product of an object's mass and velocity is a vector quantity called
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