Newtons Physics Test

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1. 1.Every action or force upon an object must have an equal and _________________ reaction.

Measurable

Complete

Opposite

Correct

Directionless

About This Quiz

This is a short quiz on Newton's Laws and their applications

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2. 1.Objects in motion will __________________ until acted upon by another force.

Remain in motion

Lose potential energy

Lose kinetic energy

Lose both potential and kinetic energy

None of the above

3. According to Newton, force is equal to mass multiplied by __________________.

Velocity

Acceleration

Speed

Momentum

Vector plane

4. 1.On Earth, you weigh 80 kg. On Planet X, you weigh 20 kg. This is explained due to:

Different gravitational constants

Different air resistance

Water weight

Different frictional forces

None of the above

5. 1.In a vacuum, you throw a baseball. It travels at the forever due to .

Initial velocity, inertia

Gravitational constant velocity, inertia

Initial velocity, gravity

Initial acceleration, inertia

Initial acceleration, gravity

6. When a box rests on the floor, it is acted upon by the gravitational and the _________________ force.

Centrifugal

Acceleration

Normal

Inertia

Friction

Gravity pushes down and the normal force acts upwards.

Explanation

Gravity pushes down and the normal force acts upwards.

7. 1.Which of the following is not an example of acceleration?

Turning right onto another street

Pressing the gas pedal

Pressing the brake pedal

Cruising at 60 MPH

Pulling the car into reverse from rest

Acceleration implies a change in velocity, which means a change in speed or direction. Cruising implies no such change.

Explanation

Acceleration implies a change in velocity, which means a change in speed or direction. Cruising implies no such change.

8. 1.Which of the following helps to explain why it takes longer for a piece of paper to fall down than a rock?

Gravitational force depends on mass

Gravitational force depends on initial speed

Paper is lighter than rock

Paper has a greater surface area than rock

Rock is slightly magnetic

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