physics unit 2 quiz 3

The formula that represents Newton's second law of motion is _____.

F=ma

The basic idea of _____ is that objects that are at rest tend to stay at rest while moving objects keep moving at the same velocity unless acted upon by an outside force.

Newton's first law of motion

A force is applied to an object. The object accelerates in the same direction as the applied force. This is part of _____.

Newton's second law of motion

These describe _____. 1)The acceleration of an object acted upon by a constant force is directly proportional to the force 2)The acceleration of an object acted upon by a constant force is inversely proportional to the object's mass.

Newton's second law of motion

A person steps onto a boat from a dock and the boat moves in the opposite direction. This is an example of ______.

Newton's third law of motion

For every action there is and equal and oppositely directed reaction force refers to _____.

Newton's third law of motion

What is Force C?

action

What is Force B?

friction

Pushing a box along a tile surface is easier than pushing that same box along a carpet due to the force of __. The difference in the forces needed to push the box is because of the differences in ___ .

friction surface texture

Hurtling through space towards Mars in a spacecraft, you want to reach your destination sooner by increasing your acceleration by _____.

increasing your rocket's output to increase the force

The tendencies of objects to remain in their current states, whether at rest or moving, is the property called _____.

inertia

Force A, Force B and Force C are all acting upon an object. The sum of those forces is the _____.

net force

What is Force D?

reaction

What is Force A?

weight