Circular Motion Review

What is defined as a car moving along a roundabout?

• Linear motion

• Circular motion

• Random motion

• Elliptical motion

What does UCM stand for when describing the motion of a satellite orbiting the Earth?

• Uniform Circular Mechanism

• Uniform Circular Motion

• Unified Circular Movement

• Unique Circular Motion

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Which of the following is NOT an example of circular motion?

• A bagel tied to a string being swung around

• Earth's movement around the Sun

• A paper airplane flying in a straight line

• A marble rolling inside a hoop

What causes a car moving in a circular track to be accelerated?

• The speed of the car increasing

• The car stopping suddenly

• The direction of the velocity changing

• The car moving in a straight line

Tags

NGSS.HS-PS2-1

Imagine a car accelerating on a highway. According to Newton's Second Law, what must the car have to accelerate?

• A balanced force

• A net force

• A decreasing speed

• A constant velocity

Tags

NGSS.HS-PS2-1

What type of force is acting on a toy car driving in a circular track to keep it in circular motion?

• Frictional force

• Magnetic force

• Tension force

• Gravitational force

When a car rounds a curve on a road, what type of force acts on it to keep it moving in a curved path rather than in a straight line?

• In an elliptical path

• In a straight line

• Away from the center

• Towards the center

When a car moves in a circular track with a constant speed, what is the equation for the acceleration acting towards the center of the circle?

• v * r

• r / v²

• r * v²

• v² / r

Tags

NGSS.HS-PS2-1

What term is introduced to describe the time it takes for an object to complete one rotation around a circle?

• Circular time

• Rotation period

• Orbital duration

• Time period

Imagine you're designing a circular track for a race. What formula would you use to calculate the total distance around the track?

• 2 * Pi * r

• Pi / r

• Pi * r²

• 2 * r