Unit 10 - Forces (PSCP)

What is the SI Unit of force?

• Newton (N)

• Kilogram meters per second (kg m/s)

• Kilogram (kg)

• Meters per second squared (m/s2)

What is the SI Unit of momentum?

• Newton (N)

• Kilogram meters per second (kg m/s)

• Kilogram (kg)

• Meters per second squared (m/s2)

What is the SI Unit of acceleration?

• Newton (N)

• Kilogram meters per second (kg m/s)

• Kilogram (kg)

• Meters per second squared (m/s2)

VOCAB: a push or a pull

• force

• inertia

• momentum

• net force

VOCAB: the tendency of an object to resist a change in motion

• force

• inertia

• momentum

• net force

VOCAB: the mass and velocity of an object ("mass in motion")

• force

• inertia

• momentum

• net force

VOCAB: the SUM of all forces acting on an object

• force

• inertia

• momentum

• net force

VOCAB: a measure of the amount of matter in an object (scalar, NOT dependent on gravity)

• mass (kg)

• weight (N)

VOCAB: a measure of the gravitational force exerted on an object (vector, DOES depend on gravity)

• mass (kg)

• weight (N)

Which of the following occur when a net force of ZERO is acting on an object? (PICK TWO)

• the object accelerates

• the object has no change in motion

• the object experiences a BALANCED net force

• the object experiences an UNBALANCED net force