Newtons Second Law Of Motion

Question 1

Forces change an object’s motion by changing its……. its _____________, or both.

Answer 1

magnitude and direction

Question 2

If a net force acts on a moving object in the direction that the object is moving, the object will

Answer 2

speeds up

Question 3

If a net force acts on a moving object in the direction that is opposite to the direction that the object moves, the object

Answer 3

Slows down

Question 4

According to Newton’s second law of motion, the_______________ of an object is equal to the net force acting on the object divided by the object’s ______________.

Answer 4

acceleration and mass

Question 5

The direction of acceleration is the same as the direction of the

Answer 5

Net force

Question 6

The units for Newton’s second law are SI units—force is measured in

Answer 6

Newton

Question 7

Mass is measured in?

Answer 7

Kg

Question 8

acceleration is measured in?

Answer 8

m/s2

Question 9

is any motion in which an object is moving in a curved path.

Answer 9

Circular motion

Question 10

In circular motion, a force that acts perpendicular to the direction of motion
toward the center of the curve is called a(n)

Answer 10

centripetal force

Question 11

State Newton’s second law.

Answer 11

The acceleration of an object is equal to the net force acting on an object divided by the object mass.

Question 12

A 30 N net force is acting on an object with mass 5kg.Calculate the acceleration? A= N divided by M

Answer 12

Acceleration a = = = 6m/s2