6. Intro to Forces (Dynamics)

A pipe assembly is subjected to a constant force of $80-N$. If the total mass of the assembly is $20-\mathrm{kg}$, what is the magnitude of the acceleration produced according to Newton's Second Law?

Which of Newton's laws best explains the motion of a sprinter as they explode out of the starting block at the beginning of a race?

Which of the following correctly describes Newton's First and Second Laws of Motion?

When lifting pallets of apples using a forklift, which of the following best describes the net force acting on the pallets while they are being lifted upward at a constant speed according to Newton's First and Second Laws?

According to Newton's First and Second Laws, which of the following will take longer to stop if both are traveling at the same speed $v$ and the same braking force $F$ is applied?

According to Newton's First Law, what will most likely happen to a test dummy during a crash test if its seatbelt is not buckled?

Which of the following best describes resistance as a force according to $N{e}^1’s1 and N{e}^2’s2Laws$?

According to Newton's First Law, do balanced forces cause a change in an object's motion?

According to Newton's laws, if a bicycle travels twice as fast as another and both brake to a stop under identical conditions, the faster bicycle will skid how much farther than the slower one?

Three ropes pull on a ring in a plane. Rope 1 pulls with a force of magnitude $F$ to the right, Rope 2 pulls with a force of magnitude $F$ upward, and Rope 3 pulls at an angle of $225°$ (measured counterclockwise from the positive x-axis). If the ring remains at rest, what is the magnitude of the force provided by the third rope, in terms of $F$?

Under what condition does the proportional form of Newton's second law, which states that force is proportional to acceleration, become an equation of the form $F=ma$?

Newton's first law is a description of what basic property of our universe?

According to Newton's laws, the maximum speed at which you can travel and still steer quickly out of the way on a flat road is determined by which of the following factors?

A block of mass $m$ is suspended by two vertical cables, cable 1 and cable 2, such that the block is at rest. If the tension in cable 1 is $t_1$ and the tension in cable 2 is $t_2$, which of the following expressions gives $t_1$ in terms of $m$ and $g$ only, without depending on $t_2$?

According to Newton's First and Second Laws, what happens when you decrease the thrust on your scooter while riding at constant speed?