Force and Motion Dynamics

The force of the table pushing up on the book.

The force of the book pushing down on the table.

The force of the Earth pulling on the book.

The force of the book pulling up on the Earth.

The person's weight and the normal force from the ground.

The force of the person pushing down on the Earth and the force of the Earth pushing up on the person.

The force of the person jumping upwards and the force of gravity pulling the person downwards.

The force of the person's muscles and the force of their bones.

$F$

$(m_A / (m_A + m_B)) * F$

$(m_B / (m_A + m_B)) * F$

$(m_A / m_B) * F$

A force exerted by an object outside the system on an object within the system.

A force that affects the motion of the system's center of mass.

A force exerted by one object within the system on another object within the same system.

A force that always causes the system to accelerate.

The force exerted by the car seat on the person.

The force exerted by the person on the steering wheel.

The force of friction between the car's tires and the road.

The force exerted by the engine on the car's transmission.

$1.0 m/s^2$

$1.33 m/s^2$

$2.0 m/s^2$

$3.0 m/s^2$

It has a significant mass that affects the tension.

It stretches considerably when a force is applied.

The tension varies along its length.

It has negligible mass and doesn't stretch.

$0$

$mg$

$2mg$

$mg/2$

$T_0$

$T_0 + Mg$

$T_0 - (Mg/2)$

$T_0 + (Mg/2)$

To increase the magnitude of the applied force.

To decrease the magnitude of the applied force.

To change the direction of the tension force.

To store potential energy.