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Flashcards in Dynamics Deck (11)
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1

Newton's first law:

An object will remain at rest or in a state of uniform motion unless it is acted on by a resultant force.

2

Weight is...

the pull of Earth's gravity.

3

Freefall on the moon is...

1.6 ms-2

4

Interia is...

the tendency of a moving object to carry on moving.

5

For a body of constant mass its...

acceleration is directly proportional to the resultant force applied to it.

6

Force is the rate of change of...

momentum.

7

The magnitude of the drag force depends on:

-the shape of the object
-the speed of the object
-the viscosity of the fluid

8

Terminal velocity is reached when...

air resistance is equal to the weight of the body.

9

Forces on the inclined plate-the parallel component:

mgsin(x)

10

Forces on the inclined plate-the perpendicular component:

mgcos(x)

11

Newton's third law:

When two bodies interact, the force they exert on each other is equal in magnitude and opposite in direction. Forces are the same.