circular motion

When an object is in circular motion it is constantly changing its velocity.

• True
• False

Tags

NGSS.HS-PS2-1

As the moon orbits the earth, what keeps the moon moving in a circular motion?

• Gravity
• Inertia
• Centripetal Force
• Friction

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

As this ride starts to spin in a circular motion the swings move outward.  What is the cause of this outward motion

• Gravity
• Centripetal Force
• Speed
• Inertia

Tags

NGSS.HS-PS2-1

A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?

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Tags

NGSS.HS-PS2-1

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

• 2.4 m/s
• 3.6 m/s
• 3.9 m/s
• 4.2 m/s

Tags

NGSS.HS-PS2-1

Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s

• 4.1 kg
• 3.6 kg
• 2.5 kg
• 1.8 kg

A satellite is orbiting the Earth at a speed of 1200m/s, find the radius of revolution if the Time period is 35000s

• 1200

• 67km

• 6700Km

• 35000

During its trip a car of mass 1500kg is traveling around a corner as shown in the picture. The car rounds a corner of radius 100m at a speed of 15m/s. Find the centripetal acceleration

• 22.5m/s

• 2.25m.s

• 15m/s

• 32.5m/s

During its trip a car of mass 1500kg is traveling around a corner as shown in the picture. The car rounds a corner of radius 100m at a speed of 15m/s. Find the centripetal force acting on the car.

• 300N

• 15000N

• 3375N

• 15N

Tags

NGSS.HS-PS2-1

During its trip a car of mass 1500kg is traveling around a corner as shown in the picture. What actual force is equivalent to the centripetal force in this situation?

• Tension

• Friction

• Centrifugal force

• gravity