Newton's Laws & Dynamics

An object at rest stays at rest and an object in uniform linear motion keeps moving uniformly if ...

According to Newton's Second Law, an object's acceleration ...

The correct statement about Newton's Third Law is ...

The SI unit of force is ...

The correct difference between mass and weight is ...

The tendency of an object to maintain its state of motion is called ...

A $4\text{kg}$ object is pushed with a force of $12\text{N}$. Its acceleration is ...

The weight of a $5\text{kg}$ object where $g=10{\text{m/s}}^2$ is ...

A $10\text{kg}$ object rests on a flat table with $g=10{\text{m/s}}^2$. The normal force on the object is ...

A $1,000\text{kg}$ car is pushed with $2,000\text{N}$ and experiences $500\text{N}$ of friction. Its acceleration is ...

Two forces of $8\text{N}$ and $6\text{N}$ act at one point and are perpendicular. The magnitude of the resultant is ...

A book rests on a table. According to Newton's Third Law, the action-reaction force pair is ...

A $4\text{kg}$ object is on a frictionless incline at $30^{\circ }$ with $g=10{\text{m/s}}^2$. The component of its weight parallel to the plane is ...

Block A of $3\text{kg}$ and block B of $2\text{kg}$ are connected by a string on a frictionless table, then pulled with $10\text{N}$ on block A. The tension in the string between A and B is ...

Two objects of $3\text{kg}$ and $1\text{kg}$ are connected by a string over a frictionless pulley with $g=10{\text{m/s}}^2$. The system's acceleration is ...

Block A $2\text{kg}$ and block B $3\text{kg}$ are in contact on a frictionless surface. A $15\text{N}$ force is applied to block A. The contact force between A and B is ...

A $5\text{kg}$ object is pulled with $30\text{N}$ on a rough floor with a kinetic friction coefficient of $0.2$ and $g=10{\text{m/s}}^2$. Its acceleration is ...

A $2\text{kg}$ object on a frictionless $30^{\circ }$ incline is connected over a pulley to a hanging $3\text{kg}$ object. With $g=10{\text{m/s}}^2$, the system's acceleration is ...

A $60\text{kg}$ person is in a lift accelerating upward at $2{\text{m/s}}^2$ with $g=10{\text{m/s}}^2$. The normal force of the lift floor on the person is ...

A $2\text{kg}$ object is on a rough floor with a static friction coefficient of $0.4$ and $g=10{\text{m/s}}^2$. The minimum horizontal force to start moving the object is ...