PS2 Ch 3 Test

What are the SI units of work?

Which is a device used for doing work?

Which split things open or holds things back?

What are the SI units of force?

Scalar quantities have

Which is a sloping surface that allows an object to be raised without lifting it straight up?

Force is measured in

Quantum mechanics, relativity, and nuclear physics are all branches of

A pendulum will eventually stop swinging back and forth because of FRICTION

Who helped influence Isaac Newton?

Which has the greater momentum?

Which has a lever arm and fulcrum that work together to multiply force?

Which law says that for every action there is an equal and opposite reaction?

Which resembles an inclined plan wrapped around a rod?

What do we call a push or pull?

Isaac Newtons book was called

Which has only a magnitude?

Which helps carry and move heavy loads?

Vector quanities have

An object dropped accelerates towards the ground due to

Whose teachings dominated science for 2,000 years?

Which is a vector that represents an objects change in position from its starting point?

Your weight would be the same on Earth and on the moon.

Which law says that an object at rest will stay at rest unless acted on by a force?

Work is only done if an object is moved.

Distance is a

Newton's first law is also known as the law of

Which law can be stated as the equation force= mass x acceleration

What are the SI units of power?

What represents an oject and the forces acting on it?

Which quantity has both a magnitude and direction?

Which is a scalar the represents the total length of an objects path

The branches of physics devloped BEFORE 1900 are called

Acceleration is defined as any change in

Which lifts or lowers heavy stuff using a grooved wheel and rope?

Who discovered the laws of motion and gravitation?

The tendency of matter to resist changes in motion is called

Gravitational force acts between ALL masses