AP Physics 1 Final Fall 2024

Front

What is the effect of surface roughness on friction?

Back

Rougher surfaces have greater friction.

Front

What happens to an object in free fall until it hits the ground?

Back

It accelerates at a constant rate until it hits the ground.

Front

If two objects of the same mass are launched at the same speed, which will hit the ground first if one is launched at a 45-degree angle and the other at a 65-degree angle?

Back

The object launched at a 45-degree angle will hit the ground first.

Front

At what point is the horizontal velocity (v_x) equal to 0 m/s?

Back

None of these choices.

Front

If a ball takes 4 seconds to reach its peak when thrown straight up, how long will it take to return to the original position?

Back

It will take 4 seconds to return to the original position.

Front

What is the formula for calculating the force of friction?

Back

Frictional Force (f) = μ * N, where μ is the coefficient of friction and N is the normal force.

Front

What is terminal velocity?

Back

Terminal velocity is the constant speed an object reaches when the force of gravity is balanced by the drag force acting against it.

Front

What is the principle of conservation of energy in physics?

Back

The total energy in a closed system remains constant; energy can neither be created nor destroyed, only transformed.

Front

What is the difference between speed and velocity?

Back

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

Front

What is the acceleration due to gravity on Earth?

Back

The acceleration due to gravity on Earth is approximately 9.81 m/s².