AP Physics C Mechanics Review

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

T/F:  A big truck will always have more momentum than a small car.

• True

• False

Tags

NGSS.HS-PS2-2

A force of 50-N is applied to a 4 kilogram mass. The acceleration of the object is:

• 200 m/s²

• 12.5 m/s²

• 54 m/s²

• 46 m/s²

Tags

NGSS.HS-PS2-1

By what factor will the kinetic energy of an object increase if the velocity of the object is tripled?

• The kinetic energy will stay the same.

• 3

• 6

• 9

A rocket of mass m begins to ascend vertically at v m/s. The work that gravity does on the rocket is:

• Negative

• Zero

• Positive

• Undefined

Tags

NGSS.HS-PS2-4

An object is thrown vertically upward with an initial speed of 15 m/s. What is the total time in the air?

• 3 second

• 1.5 seconds

• 5 seconds

• 3.5 seconds

Tags

NGSS.HS-PS2-4

An 8-kg object is raised by a crane to the top of a building 20-meters in height. If it takes 50 seconds for the object to get to the top of the building, then how much power was needed?

• 1600 watts

• 3.2 watts

• 32 watts

• 200 watts

Tags

NGSS.MS-PS3-4

A kg-m²/s² is otherwise known as a(n)

• Newton

• Joule

• Watt

• Displacement

If the gravitational force between two masses is F, then by what factor would the distance between the two object need to change if the mass of one of the objects is doubled in order for the force to remain the same?

• 4

• 2

• 2^1/2

• 6^1/2

Tags

NGSS.HS-PS2-4

The area under a force-time curve represents:

• Change in potential energy

• Change in momentum

• Change in force

• Change in torque

Tags

NGSS.HS-PS2-2