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melomori [17]
3 years ago
9

Calculate the magnitude of the force the jumper must exert on the ground to produce an upward acceleration 4.00 times the accele

ration due to gravity.
Physics
2 answers:
sashaice [31]3 years ago
8 0
According to Newton's Second Law of Motion, the net force is equal to the product of the system's mass and acceleration. There are two forces acting on a jumper once he jumps: gravitational force and upward force. The solution is as follows:

Net Force = mass * acceleration
Upward Force - Gravitational Force = mass*4*gravity
F - mg = 4mg
F = 4mg + mg
F = 5mg

Thus, the force must be five times greater than the gravitational force.
Shalnov [3]3 years ago
5 0

Answer:

Incomplete question: The mass of the jumper is 72 kg

The answer is a force of 3528 N

Explanation:

Please look at the solution in the attached Word document.

Download docx
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