Forces and Newton's Laws

Which of the laws of motion states, “To every action there is an equal but opposite reaction”?

• 1st

• 2nd

• 3rd

Which of the following factors does not affect air resistance?

• Spin

• Surface area

• Shape

• Weight

Which of the following items has the most inertia?

• A textbook

• Bottle

• A pencil

• A car

Carl and Juan are playing catch. Carl throws a fastball to Juan and it hurts Juan’s hand. Why is this the case?

• Greater the mass, greater the acceleration

• Greater the acceleration, greater the force

• Greater the acceleration, the less the force

• Greater the mass, the less the force

A person is on a paddle board. The person exerts a force on the water with the paddle, causing the water to move. The paddle board also moves, but in the opposite direction. Which of Newton's laws best explains why this happens?

• 1st Law

• 2nd Law

• 3rd Law

An object has 16 N of force being applied to the right, 16 N of force being applied to the left, and 4 N of force being applied downward. What is the net force on the object?

• 36 N

• 32 N downward

• 4 N downward

• 16 to the left

A 700 kg car is driving with an acceleration of 5 m/s2 down the interstate. What is the force required to accelerate the car?

• 3,500 N

• 14 N

• 650 N

• 0.071 N

Which of Newton's Laws of motion deal with Inertia?

• 1st

• 2nd

• 3rd

What type of friction exhibits the most force and would be best to use for brakes on a car?

• Sliding friction

• Rolling friction

• Static friction

• Fluid friction

Which of Newton's Laws of motion uses the formula F=ma?

• 1st Law

• 2nd Law

• 3rd Law