2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as shown. The rope is connected through two frictionless pulleys to a truck, which will pull the bricks up the ramp. If Ftruck=4000 N, what is the acceleration of the stack of the bricks up the ramp? a. -4.14 m/ s? .4.14 m/ s? c. 16 m/ s? d. 20 m/s? e. Not enough information is given to F:ma 4J00 25 1141 Ftruck make a determination. 25 4000N
2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as shown. The rope is connected through two frictionless pulleys to a truck, which will pull the bricks up the ramp. If Ftruck=4000 N, what is the acceleration of the stack of the bricks up the ramp? a. -4.14 m/ s? .4.14 m/ s? c. 16 m/ s? d. 20 m/s? e. Not enough information is given to F:ma 4J00 25 1141 Ftruck make a determination. 25 4000N
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:2. A stack of bricks with mass m=200 kg is
sitting on a frictionless ramp, connected to a
rope as shown. The rope is connected
through two frictionless pulleys to a truck,
which will pull the bricks up the ramp. If
Ftruck=4000 N, what is the acceleration of the
stack of the bricks up the ramp?
a. -4.14 m/ s?
b.4.14 m/ s2
c. 16 m/ s?
d. 20 m/s2
Kẹ. Not enough information is given to
Fima
Sin25 :
400
4000W
9,85125:
e slontut
25°
1962
Ftruck
z0-9.5sin?5
make a determination.
25
4000N
F= ma
4000 200 kg
1160 W
3. An object moving to the right slows steadily to a stop and then starts moving to the
left. Which of the following is true of the force on the object?
a. The force must be zero when the velocity is zero.
b. The force changes direction when the object turns around.
e. The force must be due to friction.
d. The force is always to the right.
The force is always to the left.
e
Expert Solution
Step 1
Given that:-
Mass of the stack of bricks=m=200kg
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