Unit 6 Force Acceleration and Motion

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object with respect to time. It is measured in meters per second squared (m/s²).

Front

What is the formula for calculating acceleration?

Back

a = Δv / Δt, where Δv is the change in velocity and Δt is the change in time.

Front

What is impulse in physics?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time. It is calculated as Impulse = force × change in time.

Front

How does mass change when moving from Earth to the Moon?

Back

The mass of an object remains the same regardless of its location, whether on Earth or the Moon.

Front

What is the relationship between force, mass, and acceleration?

Back

According to Newton's second law, Force = mass × acceleration (F = ma).

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force is the Newton (N), which is equivalent to kg·m/s².

Front

What does a negative acceleration indicate?

Back

Negative acceleration indicates that an object is slowing down or decelerating.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is the formula for calculating momentum?

Back

Momentum (p) is calculated as p = mass × velocity (p = mv).

Front

What does a velocity-time graph represent?

Back

A velocity-time graph shows how the velocity of an object changes over time, with the slope representing acceleration.