Blocks with masses of 2.0 kg, 3.0 kg, and 4.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 10 N force. applied to the 2.0 kg block. ▼ Part A How much force does the 3.0 kg block exert on the 4.0 kg block? Express your answer with the appropriate units. F3.0 on 4.0 = Submit Part B Value F3.0 on 2.0 = Request Answer Units How much force does the 3.0 kg block exert on the 2.0 kg block? Express your answer with the appropriate units. Value ? Units ?

Blocks with masses of 2.0 kg, 3.0 kg, and 4.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 10 N force. applied to the 2.0 kg block. ▼ Part A How much force does the 3.0 kg block exert on the 4.0 kg block? Express your answer with the appropriate units. F3.0 on 4.0 = Submit Part B Value F3.0 on 2.0 = Request Answer Units How much force does the 3.0 kg block exert on the 2.0 kg block? Express your answer with the appropriate units. Value ? Units ?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 72AP: Two small forces, F1=2.40i6.10tj N and F2=8.50i9.70j N , are exerted on a rogue asteroid by a pair...

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Two small forces, F1=2.40i6.10tj N and F2=8.50i9.70j N , are exerted on a rogue asteroid by a pair of space tractors. (a) Find the net force. (b) What are the magnitude and direction of the net force? (c) If the mass of the asteroid is 125 kg, what acceleration does it experience (in vector form)? (d) What are the magnitude and direction of the acceleration?
(a) If the rocket sled shown in Figure 4.32 starts with only one rocket burning, what is the magnitude of its acceleration? Assume that the mass of the system is 2100 kg, the thrust T is 2.4104 N, and the force of friction opposing the motion is known to be 650 N. (b) Why is the acceleration not one-fourth of what it is with all rockets burning?
Suppose the initial speed of the driver is doubled to 36.0 m>s. Ifthe driver still has a mass of 65.0 kg, and comes to rest in 1.00 m,what is the magnitude of the force exerted on the driver duringthis collision?A. 648 N B. 1170 NC. 2.11 * 104N D. 4.21 * 104N
Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead of flying they use the ground and cross a 20-m-long bridge. Starting from rest, Rudolph pulls Santa and his sleigh, with a force F 30° above the horizontal against a frictional force of 80N. 1. Draw an appropriate free body diagram to represent all the forces acting on Santa and his sleigh. 2. Suppose the combined mass of Santa, his sleigh, and his gifts is 500kg. What is the magnitude of Fif the acceleration of Santa and his sleigh is 1.5 meters per second squared? 3. How much work is done by Rudolph in pulling Santa and his sleigh in crossing the bridge? 4. What is the change in the kinetic energy of Santa and his sleigh after crossing the bridge? 5. How fast are they moving at the end of the bridge?
ol nt... 7 2 W S 6. A mass m₁ = 4.80 kg block on a tabletop is attached by a string to a hanging block of mass m₂ = 3.00 kg, as shown in the figure. The coefficient of kinetic friction between the mass (m₁) and the surface is 0.29. The blocks are released from rest and allowed to move freely. Find the magnitude of the tension in the string. N 3 E 80 F3. 4 288 R F % 5 246 T G 6 16 ceil6 ceil6 ceil6 ceil6 cesto co B 21910291999 MacBook Air FO Y & 7 m₂ H U 8 J FB ( 9 M K 16 ceiló cerlo ceiló cel cc116 ceil6 ccilo ceiló ceilo O 4 16. cci P
7. A5.00 Kg block has a coefficient of friction of .150 on a flat surface. What is its acceleration if you exert a force of 21.0 N sideways on it when it is at rest? (Find the friction force first)2.73 m/s A 10. Kg block is at rest on a level surface. It accelerates from rest to +51.2 m/s in 8.0 seconds when you exert a force of +115 N on it sideways. What is the acceleration of the block? What is the force of friction between the surface and the block, and what is the coefficient of friction? 6.4 m/s², 51 N, 0.52 8.
Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi weigh (in Newtons)?
Figure 41. VA 276-kg glider is being pulled by a 1 950-kg jet along a 2.20 m/s² to horizontal runway with an acceleration of a the right as in Figure P4.41. Find (a) the thrust provided by the jet's engines and (b) the magnitude of the tension in the cable connecting the jet and glider. Figure P4.41
A man of mass m = 65 kg jumps off a table at height h = 2 m. While hitting the floor he bends his knees such that the time of contact is 0.1 s. 2. Determine the force exerted by the floor on you. a. 4271.72 N c. 4371.72 N b. 4171.72 N d. 4071.72 N 3. If the student does not bend his knees the time of contact is 10ms. Determine the new force exerted by the floor now. c. 42717.2 KN c. 43717.2 KN d. 41717.2 KN d. 40717.2 KN
QUESTION 15 Two blocks are attached by massless strings and accelerated to the right on a frictionless horizontal surface by TB. The masses are m₁ = 2.0 kg and m2 = 3.0 kg. The acceleration of the block 1 is 5.0 m/s². Match the answers with questions. TA TB m₁ m₂ A. 25 N, to the left ✓ Tension force TA on block 1 B. none of the given ✓ Tension force TA on block 2 C. 15 N, to the left D. O E. 25 N, to the right F. 15 N, to the right G. 10 N, to the right H. 10 N, to the left
A 7kg model rocket, initially at rest, accelerates upwards by generating a 135N thrust as it burns fuel for 5.3s. After running out of fuel the rocket continues upwards until reaching maximum height. Throughout the flight the rocket experiences a steady 23N drag force. Neglect the loss of mass as the rocket ejects fuel. What is the magnitude of the rocket's acceleration as What rocket's maximum speed during the flight? it burns fuel? unit unit What maximum height does the rocket reach? What is the magnitude of the rocket's acceleration unit after running out of fuel? unit
A force of magnitude 7.5 N pushes threes boxes with masses mi = 1.3 kg, m2 = 3.2 kg and m3 = 4.9 kg, as shown in the below figure. Find the magnitude of the 5. contact force between: I. boxes 1 and 2. II. boxes 2 and 3. 2 3 3.20 kg F = 7.50 N 4.90 kg 1.30 kg