Newton’s laws

If no net force acts on a body the body’s velocity cannot change;that is , the body cannot accelerate .

• Force

• Newton second law

• Newton’s first law

• Newton’s third law

Contact forces , doesn’t involve any direct physical contact.

• True

• False

When two bodies interact the forces on the bodies from each other are always equal in magnitude and opposite in direction

• Newton’s third law

• Tension

• Friction

• The normal force

The unit of mass is the Kilogram?

• True

• False

Is a measure of the object’s resistance to changes in its motion due to a force

• Gravitational force

• Weight

• Mass

• Inertia

Newton’s second law STATE THAT the net force on a body is equal to the product of the body’s mass and it’s acceleration.

• True

• False

Force is a vector quantity

• False

• True

Force is said to act on the object to change its velocity

• False

• True