zht inelastic string connects two blocks of mass 1,5 kg and 2 kg respectively. A force oplied at an angle of 20° on block A. 20° 1,5 kg 2 kg force F of 8,25 N is applied on block A, the blocks move at a CONSTANT VELOCITY on the ph surface. Caloulate the horizontal component of the applied force F. (2) Calculate the magnitude of the normal force acting on block A. (3) Calculate the coefficient of kinetic friction between the blocks and the rough (4) surface. How will the frictional foroe on block A change if the angle of the force changes to (1) [10] 15°? Write down INCREASES, DECREASES or REMAINS THE SAME. tivity 9 arner constructs a push toy using two blocks with masses 1,5 kg and 3 kg réspectively. blocks are connected by a massless, inextensible cord. The leamer then applies a force of V at en angle of 30° to the 1,5 kg biock by means of a light rigid rod, causing the toy to e across a flat, rough, horizontal surface, as shown in the diagram below. 25 N 45kG The coeffiolent of kinetia friction (k) between the surface and each blook is 0,15. State Newton's Second Law of Motion in words. (2) Calculate the magnitude of the kinetic frictional force acting on the 3 kg block. (3) Draw a labelled free-body diagram showing ALL the forces acting on the 1,5 kg block. (5) Caloulate the magnitude of the: 9.4.1 Kinetic frictional force acting on the 1,5 kg block (3) Tension in the cord connecting the two blocks (5) [18] 9.4.2
zht inelastic string connects two blocks of mass 1,5 kg and 2 kg respectively. A force oplied at an angle of 20° on block A. 20° 1,5 kg 2 kg force F of 8,25 N is applied on block A, the blocks move at a CONSTANT VELOCITY on the ph surface. Caloulate the horizontal component of the applied force F. (2) Calculate the magnitude of the normal force acting on block A. (3) Calculate the coefficient of kinetic friction between the blocks and the rough (4) surface. How will the frictional foroe on block A change if the angle of the force changes to (1) [10] 15°? Write down INCREASES, DECREASES or REMAINS THE SAME. tivity 9 arner constructs a push toy using two blocks with masses 1,5 kg and 3 kg réspectively. blocks are connected by a massless, inextensible cord. The leamer then applies a force of V at en angle of 30° to the 1,5 kg biock by means of a light rigid rod, causing the toy to e across a flat, rough, horizontal surface, as shown in the diagram below. 25 N 45kG The coeffiolent of kinetia friction (k) between the surface and each blook is 0,15. State Newton's Second Law of Motion in words. (2) Calculate the magnitude of the kinetic frictional force acting on the 3 kg block. (3) Draw a labelled free-body diagram showing ALL the forces acting on the 1,5 kg block. (5) Caloulate the magnitude of the: 9.4.1 Kinetic frictional force acting on the 1,5 kg block (3) Tension in the cord connecting the two blocks (5) [18] 9.4.2
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 49P: In Example 4.5, we pushed on two blocks on a table. Suppose three blocks are in contact with one...
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![ivity 8
zht inelastic string connects two blocks of mass 1,5 kg and 2 kg respectively. A force
oplied at an angle of 20° on block A,
B.
A
200
1,5 kg
2 kg
force F of 8,25N is applied on block A, the blocks move at a CONSTANT VELOCITY on the
ph surface.
Caloulate the horizontal component of the applied force F.
(2)
Calculate the magnitude
the normal force acting on block A.
(3)
Calculate the coefficient of kinetic frictlon between the blocks and the rough (4)
surface.
How will the frictional force on block A change if the angle of the force changes to
(1)
[10]
15°? Write down INCREASES, DECREASES or REMAINS THE SAME.
tivity 9
arner constructs a push toy using two blocks with masses 1,5 kg and 3 kg réspectively.
blocks are cơnnected by a massless, inextensible cord. The leaner then applies a force of
V at en angle of 30° to the 1,5 kg block by means of a light rigid rod, causing the toy to
e across a flat, rough, horizontal surface, as shown in the diagram below.
25 N
The coeffiolent of kinetia friction (P«)' between the surface and each blook is 0,15.
State Newton's Second Law of Motion in words.
(2)
Calculate the magnitude of the kinetic frictional force acting on the 3 kg block.
(3)
Draw a labelled free-body diagram showing ALL the forces acting on the 1,5 kg
block.
(5)
Caloulate the magnitude of the:
(3)
Kinetic frictional force acting on the 1,5 kg block
locks,
9.4.1
Tension in the cord connecting the two
(5)
(18]
9.4.2
26
JENN TRAINING & CONSULTANGY: GRADE 12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2010219b-60f3-406a-93aa-149d55091e00%2Fabac5040-341c-4b35-9d26-c0d0a274aa27%2Fx2yhlxp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:ivity 8
zht inelastic string connects two blocks of mass 1,5 kg and 2 kg respectively. A force
oplied at an angle of 20° on block A,
B.
A
200
1,5 kg
2 kg
force F of 8,25N is applied on block A, the blocks move at a CONSTANT VELOCITY on the
ph surface.
Caloulate the horizontal component of the applied force F.
(2)
Calculate the magnitude
the normal force acting on block A.
(3)
Calculate the coefficient of kinetic frictlon between the blocks and the rough (4)
surface.
How will the frictional force on block A change if the angle of the force changes to
(1)
[10]
15°? Write down INCREASES, DECREASES or REMAINS THE SAME.
tivity 9
arner constructs a push toy using two blocks with masses 1,5 kg and 3 kg réspectively.
blocks are cơnnected by a massless, inextensible cord. The leaner then applies a force of
V at en angle of 30° to the 1,5 kg block by means of a light rigid rod, causing the toy to
e across a flat, rough, horizontal surface, as shown in the diagram below.
25 N
The coeffiolent of kinetia friction (P«)' between the surface and each blook is 0,15.
State Newton's Second Law of Motion in words.
(2)
Calculate the magnitude of the kinetic frictional force acting on the 3 kg block.
(3)
Draw a labelled free-body diagram showing ALL the forces acting on the 1,5 kg
block.
(5)
Caloulate the magnitude of the:
(3)
Kinetic frictional force acting on the 1,5 kg block
locks,
9.4.1
Tension in the cord connecting the two
(5)
(18]
9.4.2
26
JENN TRAINING & CONSULTANGY: GRADE 12
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