The Force Exerted on the Moon In Figure 5-37 we show the Earth, Moon, and Sun (not to scale) in their relative positions at the time when the Moon is in its third-quarter phase. Though few people realize it, the force exerted on the Moon by the Sun is actually greater than the force exerted on the Moon by the Earth In fact, the force exerted on the Moon by the Sun has a magnitude of F SM = 4.34 × 10 20 N , whereas the force exerted by the Earth has a magnitude of only F EM = 1.98 × 10 20 N. These forces are indicated to scale in Figure 5-37 . Find (a) the direction and (b) the magnitude of the net force acting on the Moon. (c) Given that the mass of the Moon is M M = 7.35 × 10 22 kg , find the magnitude of its acceleration at the time of the third-quarter phase. Figure 5-37 Problems 35
The Force Exerted on the Moon In Figure 5-37 we show the Earth, Moon, and Sun (not to scale) in their relative positions at the time when the Moon is in its third-quarter phase. Though few people realize it, the force exerted on the Moon by the Sun is actually greater than the force exerted on the Moon by the Earth In fact, the force exerted on the Moon by the Sun has a magnitude of F SM = 4.34 × 10 20 N , whereas the force exerted by the Earth has a magnitude of only F EM = 1.98 × 10 20 N. These forces are indicated to scale in Figure 5-37 . Find (a) the direction and (b) the magnitude of the net force acting on the Moon. (c) Given that the mass of the Moon is M M = 7.35 × 10 22 kg , find the magnitude of its acceleration at the time of the third-quarter phase. Figure 5-37 Problems 35
The Force Exerted on the Moon In Figure 5-37 we show the Earth, Moon, and Sun (not to scale) in their relative positions at the time when the Moon is in its third-quarter phase. Though few people realize it, the force exerted on the Moon by the Sun is actually greater than the force exerted on the Moon by the Earth In fact, the force exerted on the Moon by the Sun has a magnitude of FSM = 4.34 × 1020N , whereas the force exerted by the Earth has a magnitude of only FEM = 1.98 × 1020N. These forces are indicated to scale in Figure 5-37. Find (a) the direction and (b) the magnitude of the net force acting on the Moon. (c) Given that the mass of the Moon is MM = 7.35 × 1022kg , find the magnitude of its acceleration at the time of the third-quarter phase.
•7SSMThere are two forces on the 2.00 kg box in the overhead view of Fig. 5-31, but only one is shown. For F1 = 20.0 N, a = 12.0 m/s2, and θ = 30.0°, find the second force (a) in unit-vector notation and as (b) a magnitude and (c) an angle relative to the positive direction of the x axis.
What is the direction of the net force, expressed as an angle in degrees measured clockwise relative to the positive x
axis? Two small forces are exerted on a small 186kg
asteroid by a pair of space tractors.
F⃗ 1F⃗ 2==(−3.13N)î +(−4.72N)ĵ (10.58N)î +(−4.04N)ĵ
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a m1 = 1.7-kg object at the origin of the coordinate system, a m2 = 3.2-kg object at
(0, 2.0),
and a m3 = 5.0-kg object at
(4.0, 0).
Find the resultant gravitational force exerted by the other two objects on the object at the origin.
magnitude
direction
° above the +x-axis
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