The net force is 0 N.
To find the total net force, all you need to do is add the forces.
So 100 + -100 = 0
Most of these questions are trick questions, but if you know Newton's laws of forces, then you should know that all forces should cancel out with each other.
Hope this helps!!!
Answer: (C) Slide against each other
Explanation:
Think about rubbing our palms together, and they get warm that right there is friction.
Answer:
1404 N .
Explanation:
Force = rate of change of momentum
d/dt ( mv₁ - mv₂ )
If v₂ = - v₁
rate of change of momentum
= d/dt ( mv₁+mv₁ )
=2x v₁ dm / dt ( Here velocity of water v₁ throughout is constant )
Force = 2 xv₁ dm / dt
Given ,
v₁ = 18 m/s
dm / dt = rate of flow of mass of water
= 39 kg / s
Putting the values in the equation above
Force = 2xv₁ dm / dt
= 2x18 x 39
= 1404 N .
Answer: something you read to understand a song
Explanation: you read the note then play it...
Answer:
F = 1176 N
Explanation:
Given that,
Mass of a baseball, m = 0.140-kg
Initial speed of the baseball, u = 33.6 m/s
Final speed of the baseball, v = -33.6 m/s (in opposite direction)
The time of contact of the bat and the ball, t = 0.008 s
We need to find the average force the bat exerts on the ball. The force acting on the ball is given by :
So, the average force the bat exerts on the ball is 1176 N.
