Physics Sem 1 Review part1

Front

What are the components of a vector with magnitude 12 and angle 125º?

Back

Rx = -6.9, Ry = 9.8

Front

What is another name for acceleration due to gravity?

Back

Free-fall acceleration.

Front

Convert 2,500,000 N to scientific notation.

Back

Front

From a boy's perspective, how does a ball appear to fall when dropped?

Back

Straight down.

Front

How do objects in free fall move?

Back

Faster and faster.

Front

Define a vector.

Back

A quantity that has both magnitude and direction.

Front

What is the formula for calculating the components of a vector?

Back

Rx = R * cos(θ), Ry = R * sin(θ) where R is the magnitude and θ is the angle.

Front

What is the value of gravitational acceleration on Earth?

Back

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the formula for calculating acceleration?

Back