Which statement best describes the relationship between mass and acceleration?

A. An object’s acceleration increases as its mass increases if the same amount of force is applied.
Incorrect. An object’s acceleration increases as its mass decreases if the same amount of force is applied.

B. An object’s acceleration decreases as its mass decreases if the same amount of force is applied.
Incorrect. An object’s acceleration increases as its mass decreases if the same amount of force is applied.

C. An object’s acceleration increases as its mass decreases if the same amount of force is applied.
Correct!

D. There is no relationship between mass and acceleration.
Incorrect. An object’s acceleration increases as its mass decreases if the same amount of force is applied.

Newton’s Second Law of Motion is also called —

A. the law of action and reaction
Incorrect. This is not another name of the second law of motion.

B. the law of natural forces
Incorrect. This is not another name of the second law of motion.

C. the law of inertia
Incorrect. This is not another name of the second law of motion.

D. the law of force and acceleration
Correct!

Which of the following statements best describes the relationship of force and acceleration?

A. The acceleration of objects (with the same mass) will decrease as force increases.
Incorrect. The acceleration of objects (with the same mass) will increase as force increases.

B. The acceleration of objects (with the same mass) will increase as force increases.
Correct!

C. The acceleration of objects (with the same mass) will increase as force decreases.
Incorrect. The acceleration of objects (with the same mass) will increase as force increases.

D. There is no relationship between force and acceleration.
Incorrect. The acceleration of objects (with the same mass) will increase as force increases.

Which figure below will have the greatest acceleration? Assume that the force is the same in all the figures.

A. Figure A
Incorrect. Remember, an object’s acceleration increases as its mass decreases if the same amount of force is applied. Which figure has the smallest mass?

B. Figure B
Correct! An object’s acceleration increases as its mass decreases if the same amount of force is applied.

C. Figure C
Incorrect. Remember, an object’s acceleration increases as its mass decreases if the same amount of force is applied. Which figure has the smallest mass?

D. Figure D
Incorrect. Remember, an object’s acceleration increases as its mass decreases if the same amount of force is applied. Which figure has the smallest mass?