Centripetal Force

What effect will the following changes have on the centripetal force acting on an object? (c) the radius decreased by a factor of 5

What effect will the following changes have on the centripetal force acting on an object? (a) the mass is double?

Tags

NGSS.HS-PS2-1

What effect will the following changes have on the centripetal force acting on an object? (a) the mass is cut in half

Tags

NGSS.HS-PS2-1

What effect will the following changes have on the centripetal force acting on an object? (c) the radius decreased by a factor of 2

What effect will the following changes have on the centripetal force acting on an object? (c) the radius decreases by a factor of 3

What effect will the following changes have on the centripetal force acting on an object? (d) the mass is doubled, the speed is tripled and the radius quadrupled

Tags

NGSS.HS-PS2-1

TRAPPIST-1 e is a terrestrial exoplanet that orbits an M-type star. Its mass is 0.692 Earths, it takes 6.1 days to complete one orbit of its star, and is 0.02925 AU from its star. Its star has a mass about 9% that of the sun. What is the CENTRIPETAL (NET) FORCE ON THE EXOPLANET IN NEWTONS?

• 2.6 X 10^23 N

• 2.6X10^25 N

• 2.6X10^24 N

• 2.6X10^22 N

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

As the car goes around the curve, the centripetal force is directed--

• toward the center of the circular curve

• away from the center of the circular curve

• tangent to the curve in the direction of motion

• tangent to the curve opposite the direction of motion

Tags

NGSS.HS-PS2-1

A dog sits 1.50 m from the center of a merry-go-round and revolves at a speed of 1.80 m/s. If the dog’s mass is 18.5 kg, what is the magnitude of the centripetal force on the dog?

• 56 N

• 21 N

• 40 N

• 98 N

Tags

NGSS.HS-PS2-1

A 2.10 m rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a tangential speed of 2.50 m/s. If the magnitude of the centripetal force is 88.0 N, what is the girl’s mass?

• 54.3 kg

• 29.6 kg

• 33.8 kg

• 99.6 kg

Tags

NGSS.HS-PS2-1