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14. if two objects have the same mass, but different forces are applied…

Question

  1. if two objects have the same mass, but different forces are applied to each, which object will have the greatest acceleration?

a. mass does not affect acceleration
b. both will accelerate the same
c. the one with the smaller force applied
d. the one with the larger force applied

  1. what is it called when a bike hits a car and the bike rider continues moving forward?

a. inertia
b. movement
c. newtons second law
d. displacement

  1. what are the two forces that act upon everything on earth

a. potential and kinetic
b. gravity and friction
c. gravity and kinetic
d. there are no focus acting upon everything

  1. for every action there is an equal and opposite reaction is newtons

a. 1st
b. 2nd
c. 3rd
d. 4th

  1. what are the two things that affect acceleration?

a. mass and weight
b. weight and force
c. mass and acceleration
d. mass and force

Explanation:

Brief Explanations
  1. According to Newton's second law \(F = ma\) (where \(F\) is force, \(m\) is mass, and \(a\) is acceleration), when \(m\) is the same (\(m_1=m_2\)), \(a=\frac{F}{m}\). So, the larger the \(F\), the larger the \(a\).
  2. Inertia is the tendency of an object to resist a change in its state of motion. When a bike hits a car, the bike rider continues moving forward due to inertia.
  3. Gravity acts on everything on Earth (pulling objects towards the Earth's center), and friction (a force that opposes motion) also acts on objects on Earth.
  4. Newton's third law states that for every action, there is an equal and opposite reaction.
  5. From \(F = ma\), acceleration \(a=\frac{F}{m}\), so mass (\(m\)) and force (\(F\)) affect acceleration.

Answer:

  1. d. The one with the larger force applied
  2. a. Inertia
  3. b. Gravity and Friction
  4. c. 3rd
  5. d. Mass and force