Two blocks are in contact on a frictionless table. A horizontal force is applied to one block, as shown in earlier Fig. $(a)$ If $m_1=2.3$ kg, $m_2=1.2$ kg, and $F=3.2$ N, find the force of contact between the two blocks. $(b)$ Show that if the same force $F$ is applied to $m_2$ rather than to $m_1$ , the force of contact between the blocks is $2.1$ N, which is not the same value de- rived in $(a)$. Explain.

A horizontal force equal to the object's weight is applied to an object resting on a table. What is the acceleration of the moving object when the coefficient of kinetic friction between the object and floor is 1 (assuming the object is moving in the direction of the applied force)? a) zero b) $1 \mathrm{~m} / \mathrm{s}^2$ c) Not enough information is given to find the acceleration.

In the figure, two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block. Explain the difference.

Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block, as shown in the given figure.If $m_1=2.3 \mathrm{~kg}$, $m_2=1.2 \mathrm{~kg}$, and $F=3.2 \mathrm{~N}$, find the magnitude of the force between the two blocks.

Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block, as shown in the given figure. Explain the difference.

The given figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass $m_1=1.3 \mathrm{~kg}$; the other has mass $m_2=2.8 \mathrm{~kg}$. What are the magnitude of the blocks' acceleration.

Two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass $m_1=1.3 \mathrm{~kg}$; the other has mass $m_2=2.8 \mathrm{~kg}$. What are

the tension in the cord?

Two blocks of equal mass m are connected by a flexible cord. One block is placed on a smooth horizontal table, the other block hangs over the edge. Find the acceleration of the blocks and cord assuming (a) the mass of the cord is negligible and (b) the cord is heavy, of mass m'.

In the given figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude $T_3=$ $65.0 \mathrm{~N}$. If $m_1=12.0 \mathrm{~kg}, m_2=24.0 \mathrm{~kg}$, and $m_3=31.0 \mathrm{~kg}$, calculate the tension $T_2$.

In the given figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude $T_3=$ $65.0 \mathrm{~N}$. If $m_1=12.0 \mathrm{~kg}, m_2=24.0 \mathrm{~kg}$, and $m_3=31.0 \mathrm{~kg}$,calculate the tension $T_1$.

In the given figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude $T_3=$ $65.0 \mathrm{~N}$. If $m_1=12.0 \mathrm{~kg}, m_2=24.0 \mathrm{~kg}$, and $m_3=31.0 \mathrm{~kg}$, calculate the magnitude of the system's acceleration.

Two blocks, masses

$$m_1$$

and

$$m_2$$

, are connected by a massless cord. If the two blocks are pulled with a constant tension on a frictionless surface by applying a force of magnitude

$$T_2$$

to a second cord connected to

$$m_2$$

, what is the ratio of the tensions in the two cords

$$T_1/T_2$$

in terms of the masses?

Two blocks are connected by a lightweight, flexible cord that passes over a single frictionless pulley. If $m_1$ is greater than $m_2$, find (a) the acceleration of each block and (b) the tension in the cord.

Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block $\mathrm{C}$ is pulled horizontally by a force of magnitude $F=12$ $\mathrm{N}$, find the tension in the string between blocks $\mathrm{B}$ and $\mathrm{C}$.