Two lab spheres have masses 4.0 kg and 6.0 kg. Their centers are 0.20 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the gravitational force?

A 12 kg rock and an 8.0 kg rock have centers 0.50 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What gravitational force acts between them?

A 2.0 kg mass and a second mass have centers 0.30 m apart. The force is 1.48 × 10⁻⁹ N. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the second mass?

Two objects remain the same distance apart. If one mass is doubled and the other mass is unchanged, what happens to the gravitational force?

Use the table. Which pair has the largest gravitational force between the two objects?

In F = Gm₁m₂/r², what does the symbol G represent?

Two storage tanks have masses 1500 kg and 2000 kg. Their centers are 3.0 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the gravitational force?

A 5.0 kg mass and a 12 kg mass exert a gravitational force of 1.60 × 10⁻⁸ N. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is their center-to-center distance?

A 0.80 kg ball and a 1.20 kg ball have centers 0.10 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the gravitational force?

Two satellites keep the same masses while their center-to-center distance is doubled. By what factor does the gravitational force change?

Use the table. Which pair has the smallest gravitational force between the two objects?

Which SI unit matches the gravitational constant G in F = Gm₁m₂/r²?

Two asteroids have masses 3.0 × 10⁴ kg and 5.0 × 10⁴ kg. Their centers are 100 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the force?

An object of unknown mass and a 20 kg object have centers 0.40 m apart. The force is 6.67 × 10⁻⁹ N. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the unknown mass?

Two objects stay the same distance apart. If both masses are tripled, what happens to the gravitational force?

Use the table. Which row has the same gravitational force as Pair A?

A dropped apple and Earth pull on each other gravitationally. Which comparison is correct?

A 2.5 kg mass and a 10 kg mass have centers 0.25 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the gravitational force?

One object's mass is cut in half while the center-to-center distance between the objects is doubled. How does the gravitational force change?

A 40 kg object and a 50 kg object exert a force of 3.34 × 10⁻⁷ N. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is their center-to-center distance?

Use the table. Which ranking of gravitational force is greatest to least?

Two drones have the same masses as before, but their center-to-center distance is reduced to one third of its original value. How does the gravitational force change?

A 600 kg machine and a 900 kg machine have centers 2.0 m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the gravitational force?

In Newton's gravitation equation, what does r represent for two extended objects?

A 1000 kg cart and an unknown mass have centers 10.0 m apart. The force is 1.33 × 10⁻⁸ N. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the unknown mass?

Use the table. Which row has a force exactly 4 times the force in Pair A?

Both masses are doubled, and the center-to-center distance is tripled. What factor multiplies the original gravitational force?

Two small moons have masses 7.0 × 10²² kg and 8.0 × 10²⁰ kg. Their centers are 4.0 × 10⁸ m apart. Use G = 6.67 × 10⁻¹¹ N·m²/kg². What is the force?

Use the table. Which pair has the greatest gravitational force?

Two 2.0 kg lab carts sit at rest 1.0 m apart on a table. Why don't they roll toward each other?