Semester Review Pt 2

Front

What is centripetal acceleration?

Back

Centripetal acceleration is the acceleration directed towards the center of a circular path that keeps an object moving in that path. It is calculated using the formula a_c = v^2 / r, where v is the speed and r is the radius of the circular path.

Front

How do you calculate centripetal acceleration?

Back

Centripetal acceleration (a_c) can be calculated using the formula: a_c = v^2 / r, where v is the linear speed and r is the radius of the circular path.

Front

What happens to gravitational force as distance increases?

Back

The gravitational force decreases as the distance between two objects increases, following the inverse square law: F = G(m1*m2)/r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the centers of the two masses.

Front

What is the formula for gravitational force?

Back

The formula for gravitational force is F = G(m1*m2)/r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers.

Front

What is projectile motion?

Back

Projectile motion is the motion of an object that is thrown into the air and is subject to the force of gravity. It has both horizontal and vertical components, which can be analyzed separately.

Front

How do you calculate the horizontal distance traveled by a projectile?

Back

The horizontal distance (range) can be calculated using the formula: range = v_horizontal * t, where v_horizontal is the horizontal velocity and t is the time of flight.

Front

What is the time of flight for a projectile launched horizontally?

Back

The time of flight for a projectile launched horizontally can be calculated using the formula: t = sqrt(2h/g), where h is the height from which it is launched and g is the acceleration due to gravity.

Front

What is a free-body diagram?

Back

A free-body diagram is a graphical representation used to visualize the forces acting on an object. It shows all the forces acting on the object, including their directions and magnitudes.

Front

What forces are typically represented in a free-body diagram?

Back

Typical forces represented in a free-body diagram include gravitational force, normal force, frictional force, tension, and applied forces.

Front

What is the principle of conservation of angular momentum?

Back

The principle of conservation of angular momentum states that if no external torque acts on a system, the total angular momentum of the system remains constant.