Ch. 7 Circular Motion Review Honors Physics

Front

What is the formula for linear velocity in circular motion?

Back

Linear velocity (v) is given by the formula: v = r * ω, where r is the radius and ω is the angular velocity in radians per second.

Front

How does the gravitational force between two objects change if the distance between them is halved?

Back

The gravitational force increases by a factor of 4 when the distance between two objects is halved, according to Newton's law of universal gravitation.

Front

What is centripetal force?

Back

Centripetal force is the net force that acts on an object moving in a circular path, directed towards the center of the circle.

Front

What is centripetal acceleration?

Back

Centripetal acceleration is the acceleration that occurs in circular motion, directed towards the center of the circle, and is given by the formula: a_c = v^2 / r.

Front

What is the relationship between centripetal force and mass?

Back

Centripetal force (F_c) is directly proportional to the mass (m) of the object and the square of its velocity (v), given by the formula: F_c = m * a_c.

Front

What is the weight of an object on a celestial body?

Back

The weight of an object on a celestial body is the force of gravity acting on it, calculated using the formula: W = m * g, where g is the acceleration due to gravity on that body.

Front

What is the formula for gravitational force between two masses?

Back

The gravitational force (F) between two masses (m1 and m2) is given by Newton's law of universal gravitation: F = G * (m1 * m2) / r^2, where G is the gravitational constant and r is the distance between the centers of the two masses.

Front

What is uniform circular motion?

Back

Uniform circular motion is the motion of an object traveling at a constant speed along a circular path.

Front

What happens to the net force vector in uniform circular motion?

Back

In uniform circular motion, the net force vector always points towards the center of the circle, providing the necessary centripetal force.

Front

How do you calculate the linear velocity of a wheel?

Back

The linear velocity (v) of a wheel can be calculated using the formula: v = r * ω, where r is the radius of the wheel and ω is the angular velocity in radians per second.