Physics Final

Front

What causes change in speed, direction, or both?

Back

Unbalanced forces.

Front

What are the two factors that determine speed?

Back

Distance and time.

Front

What best represents force?

Back

A push or a pull acting on an object.

Front

What does acceleration represent on a graph?

Back

Velocity change vs. time.

Front

In which situation is work being done on an object?

Back

A man exerts 350 N force on a rope attached to a house.

Front

What is the definition of force?

Back

A push or pull that can cause an object to accelerate.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

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

Back

Newton (N).

Front

What is the relationship between mass and acceleration in Newton's second law?

Back

Force = Mass x Acceleration.

Front

What is the definition of work in physics?

Back

Work is done when a force causes an object to move.