If force on object doubles, acceleration _______.

A
Same

B
Halved

C
Doubled

D
Eliminated

Topic Flashcards

Click to Flip

Question

According to F = ma, if the mass of an object triples, what must happen to the net force to keep the acceleration unchanged?

Answer

The net force must also triple. (Since a = F/m, to keep 'a' constant, F must change in direct proportion to m).

Question

What does the "m" in Newton's Second Law (F = ma) represent, and why is it crucial for calculating acceleration?

Answer

It represents the object's mass (specifically inertial mass). It is crucial because it is the constant of proportionality that determines how much acceleration a given net force will produce—a larger mass means less acceleration for the same force.

Question

If a graph is plotted with Net Force on the Y-axis and Acceleration on the X-axis for an object, what does the slope of the best-fit line represent?

Answer

The slope represents the object's mass (m). (Since F = ma, the equation is in the form y = mx, where the slope 'm' is the mass).

Question

A spaceship in the vacuum of space fires its thrusters, producing a constant force. As it burns fuel and its mass decreases, what happens to its acceleration if the thrust force remains the same?

Answer

Its acceleration increases. (From a = F/m, if F is constant and mass m decreases, the acceleration a must increase).

Question

Newton's Second Law is often written as a = F/m. What is the key conceptual takeaway when the law is written in this form?

Answer

The acceleration of an object is directly proportional to the net force on it and inversely proportional to its mass.

Mini Quiz

1 / 3

Does a larger force always produce a larger velocity in an object?

If force on object doubles, acceleration _______.

A
Same

B
Halved

C
Doubled

D
Eliminated

If the force on an object doubles, its acceleration doubles.

Topic Flashcards

Mini Quiz

Related Questions

If force on object doubles, acceleration _______.

A Same B Halved C Doubled D Eliminated

If the force on an object doubles, its acceleration doubles.

Topic Flashcards

Mini Quiz

Related Questions

A
Same

B
Halved

C
Doubled

D
Eliminated