Based on the weights of the crate on the different planets, the mass of the given planets compared to the earth are as follows:
- Mercury - lower mass than Earth
- Venus - lower mass than Earth
- Mars - lower mass than Earth
- Jupiter - higher mass than Earth
- Saturn - higher mass than Earth
- Uranus - higher mass than Earth
- Neptune - higher mass than Earth
<h3>What does the weight of an object depend on?</h3>
The weight of an object depends on the mass of the object as well as a constant known as acceleration due to gravity, g.
For an object of constant mass, its weight depends only on the acceleration due to gravity on the object.
The higher the mass of an object, the greater will be its value of acceleration due to gravity.
Hence, for planets in which the weight of the object is less than on earth, the planets will have a lower mass than earth. On the other hand, for planets in which the weight of the object is more than on earth, the planets will have a higher mass than earth.
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Answer:
friction is the centripetal force for cars moving around a racetrack. 2. D. 3. D. 4. D. 5. Answers will vary. Sample Answer: The tether ball experiences ...
Explanation:
Answer:
4
Explanation:
= Vacuum permeability =
d = Diameter = 0.5 mm
B = Magnetic field = 0.01 T
i = Current = 1 A
Number of layers is given by
So the number of layers is 4
Answer:
a) 4.98m/s²
b) 481.66N
Explanation:
a) Using the Newtons second law of motion
m is the mass of the object
g is the acceleration due to gravity
Fm is the moving force acting along the plane
Ff is the frictional force opposing the moving froce
a is the acceleration of the skier
Given
m = 60kg
g = 9.8m/s²
= 35°
Ff = 38.5N
Required
acceleration of the skier a
Substituting into the formula;
Hence the acceleration of the skier is 4.98m/s²
b) The normal force on the skier is expressed as;
N = Wcosθ
N = mgcosθ
N = 60(9.8)cos 35°
N = 588cos 35°
N = 481.66N
Hence the normal force on the skier is 481.66N