Physics: Forces

F=ma is Newton's ___ Law.

• 1st

• 2nd

• 3rd

Newton's 3rd Law is...

• Force is the product of mass and acceleration

• Everything remains in the same state of motion if there is no force acting upon it

• Everything exerts equal and opposite forces on each other when in contact

• If the resultant force is 0, the acceleration is 0

Energy is measured in

• m/s/s

• Joules

• Newtons

• Meters

Which of these formulae is Hooke's Law?

• Work Done= Force x distance

• d=E/F

• P=E/t

• Elastic Potential Energy= Spring constant x extension

Which of these is not a vector?

• Density

• Momentum

• Force

• Velocity

_______ ___________ is when something is stretched so much that it cannot return to its original shape.

Acceleration is

• v - u

  ___

  t

• u-v

  ___

  t

• v

  __

  t

• u + t

  ___

  v

As time increases, velocity decreases. This is

In the equation p=mv, what does p stand for?