Fast Facts Flashcard: Dynamics

Front

On an incline of angle Θ, the perpendicular component of weight is equal to __________.

Back

mgcosΘ

Front

On an incline of angle Θ, the parallel component of weight is equal to __________.

Back

mgsinΘ

Front

When a force acts at an angle Θ measured from the horizontal, the vertical components of that force equal __________.

Back

FsinΘ

Front

__________ friction is the friction force between two surfaces that aren't moving relative to one another.

Back

static

Front

When an object moves along a surface at a constant speed, the acceleration in direction perpendicular to the surface must be __________. Therefore, the net force perpendicular to the surface is also zero.

Back

zero

Front

The force that opposes the motion of an object is called __________.

Back

friction

Front

The formula for calculating the net force acting on an object is __________.

Back

F_net = ma (mass x acceleration)

Front

The acceleration due to gravity on Earth is approximately __________.

Back

9.81 m/s²

Front

The relationship between mass (m), weight (W), and gravitational acceleration (g) is given by __________.

Back

W = mg

Front

The angle of inclination (Θ) affects the distribution of weight into __________ and __________ components.

Back

perpendicular and parallel