6. Intro to Forces (Dynamics)

Which of the following statements is true about Newton's First Law of Motion?

A ball of mass $m$ is attached to a light, inextensible cable and swings in a vertical circle of radius $R$. What is the tension in the cable when the ball is at its lowest point, moving with speed $v$?

Given two currents, $i_1$ = $2$ $A$ and $i_2$ = $6$ $A$, which of the following statements is true according to Newton's Second Law?

If your car begins to skid out of control, you should:

Three forces $\overrightarrow{F}$, $\overrightarrow{G}$, and $\overrightarrow{H}$ act at different points on a rigid body. If point B is located at position vector $\overrightarrow{r}{B}_{}$, which of the following correctly expresses the moment of force $\overrightarrow{F}$ about point B?

When riding in a car, what does $\mathrm{inertia}$ explain about your motion if the car suddenly stops?

What makes stopping quickly while moving through a curve more difficult according to $Newton’s$ First and Second Laws?

According to Newton's First Law, to overcome an object's inertia, it must be acted upon by which of the following?

According to Newton's Second Law, which equation correctly expresses how to calculate the net force acting on an object of mass $m$ experiencing an acceleration $a$?

When driving a car equipped with anti-lock brakes, which of the following best explains why the car is less likely to skid during sudden braking, according to Newton's First and Second Laws?

Which of the following examples best illustrates Newton's First Law of Motion?

According to Newton's First Law, what is generally the net force on an object that is moving at $constant$ velocity?

An electron of mass $m$ is moving in the $x$-direction with acceleration $a$. According to Newton's Second Law, what is the $F_x$-component of the net force acting on the electron?

According to Newton's laws, what does the equation $\sum F=0$ mean for an object?

Which of the following best describes controlled braking according to Newton's First and Second Laws?