Newton 2nd Law word problem help

Click For Summary
SUMMARY

The discussion focuses on a physics problem involving Newton's Second Law, specifically calculating the force exerted by a click beetle during its jump. The beetle has a mass of 40.00 mg (4.00 × 10−5 kg) and experiences an upward acceleration of 400 times the acceleration due to gravity (g = 9.807 m/s2). The net force exerted by the beetle on the ground is calculated using the formula Fnet = Fbeetle - Fg, where Fg is the gravitational force. The problem highlights the importance of understanding both the effects of gravity and the beetle's acceleration in determining the total force.

PREREQUISITES
  • Understanding of Newton's Second Law of Motion
  • Knowledge of basic physics concepts such as force, mass, and acceleration
  • Ability to perform calculations involving gravitational force
  • Familiarity with unit conversions (mg to kg)
NEXT STEPS
  • Calculate the gravitational force acting on the beetle using Fg = m × g
  • Determine the net force exerted by the beetle during the jump using Fnet = m × anet
  • Explore the implications of extreme acceleration on biological organisms
  • Review additional examples of Newton's Second Law applied to different scenarios
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and force calculations, as well as educators looking for examples of Newton's Second Law in action.

Mspang22
Messages
2
Reaction score
0
"Newton 2nd Law" word problem help

Homework Statement



When the click beetle jumps in the air, its acceleration upward can be as
large as 400.0 times the acceleration due to gravity. (An acceleration
this large would instantly kill any human being.) For a beetle whose
mass is 40.00 mg, calculate the magnitude of the force exerted by the
beetle on the ground at the beginning of the jump with gravity taken
into account. Calculate the magnitude of the force with gravity ne-
glected. Use 9.807 m/s2 as the value for free-fall acceleration.

Given:
m= 4.00 × 10−5 kg
g = 9.807 m/s2
anet = (400.0)g

Homework Equations


>.<
Fnet=Fbeetle-Fg
i think

The Attempt at a Solution



I am really lost on what to do, maybe if somebody could give me the initial setup and explain why i will be able to complete the problem
 
Last edited:
Physics news on Phys.org


Forget about it, I don't have any more time to work on my homework, and this hasn't been looked at a single time so, don't even bother working on it.
 

Similar threads

Rocket acceleration problem: confused about Newton's 2nd Law
  • · Replies 42 ·
2
Replies
42
Views
6K
Having a hard time learning Newton's 2nd law
  • · Replies 5 ·
Replies
5
Views
2K
Newton's law problem: Helicopter lifting a box with a rope
  • · Replies 5 ·
Replies
5
Views
3K
Newton's law problem: Pushing 2 stacked blocks on a horizontal table
  • · Replies 13 ·
Replies
13
Views
3K
Unbalanced force to find altitude of airplane
  • · Replies 4 ·
Replies
4
Views
2K
Rank forces according to magnitude: Newton's 2nd/3rd laws
  • · Replies 5 ·
Replies
5
Views
7K
Newton's Laws Homework question: Double incline mass problem
  • · Replies 4 ·
Replies
4
Views
2K
Verifying that Newton's Equations are equivalent to the EL equations
  • · Replies 15 ·
Replies
15
Views
2K
Using Newton's 2nd Law to find acceleration
  • · Replies 5 ·
Replies
5
Views
4K
How Does Newton's 2nd Law Apply to a Changing Mass Rope on a Frictionless Table?
  • · Replies 2 ·
Replies
2
Views
2K