Which of the following is a vector quantity? i. Force ii. Velocity iii. Acceleration iv. All of these 5771
2 answers:
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The gravitational force on the rider is:
- Way up: equal to mg
- Way down: equal to mg
Explanation:
The choices are missing: find them in the attached figure.
The force of gravity acting on a body is a force directed downward (towards the Earth's centre) and whose magnitude is
where
m is the mass of the body
g is the acceleration due to gravity
The value of g is approximately constant near the Earth's surface and it is
During the ride, the mass of the rider, m, remains constant. This means that the magnitude of the gravitational force, mg, exerted on the rider remains constant during the rider.
Therefore, the correct answer is
- Way up: equal to mg
- Way down: equal to mg
Learn more about force of gravity:
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