topic4_3_clickers

2023 Given that G is 6.672 x 10 -11 N m 2 kg -2 , the mass of the moon M is 7.35 x 1022 kg, and the distance from the moon to the Earth, r, is 3.844 x 10 8 m, what is the order of magnitude of the gravitational force of the moon on 1 kg of water on the Earth? 4.3 Clicker #2 Clicker Question A) 10 -5 N B) 10 -3 N C) 0.1 N D) 10 N E) 1000 N CLICKER Question

2023 Given that G is 6.672 x 10 -11 N m 2 kg -2 , the mass of the moon M is 7.35 x 1022 kg, and the distance from the moon to the Earth, r, is 3.844 x 10 8 m, what is the order of magnitude of the gravitational force of the moon on 1 kg of water on the Earth? 4.3 Clicker #2 Clicker Question A) 10 -5 N B) 10 -3 N C) 0.1 N D) 10 N E) 1000 N Hint: (6.7) 2 = 45, (7.3) 2 = 53, (3.8) 2 = 14 CLICKER Question

2023 Given that G is 6.672 x 10 -11 N m 2 kg -2 , the mass of the moon M is 7.35 x 10 22 kg, and the distance from the moon to the Earth, r, is 3.844 x 10 magnitude of the gravitational force of the moon on 1 kg of water on the Earth? 4.3 Clicker #2 Clicker Question A) 10 -5 N B) 10 -3 N C) 0.1 N D) 10 N E) 1000 N Hint: (6.7) 2 = 45, (7.3) 2 = 53, (3.8) = 14 F gravitational = − GMm r 2 where : G = the gravitational constant M = the mass of body #1 m = the mass of body #2 r = the distance between the bodies F gravitational (7 x 10 -11 N m 2 kg -2 ) (3 x 10 22 kg)(1 kg) (3.8 x 10 8 m) 2 ~ (21 x 10 11 N m 2 ) (14 x 10 16 m 2 ) ~ ~ 10 -5 N ! CLICKER Question

2023 Given that G is 6.672 x 10 -11 N m 2 kg -2 , the mass of the moon M is 7.35 x 1022 kg, and the distance from the moon to the Earth, r, is 3.844 x 10 8 m, what is the order of magnitude of the gravitational force of the moon on 1 kg of water on the Earth? 4.3 Clicker #2 Clicker Question A) 10 -5 N B) 10 -3 N C) 0.1 N D) 10 N E) 1000 N Hint: (6.7) 2 = 45, (7.3) 2 = 53, (3.8) CLICKER Question Tiny compared to Earth's gravity: 10 N for 1 kg bottle! But enough force to accelerate a 1 kg parcel to 10 cm s -1 in 3 hours (if, say, this was directed horizontally)