Physics Quiz

If an object has a mass of 86g on Earth, what would its mass be on the moon?

• Less than 86 g

• More than 86 g

• The same 86 g

• More than 86g + force of gravity

What law of motion describes how if the force of an object increases the acceleration must also increase?

• Inertia

• F = ma

• Action / Reaction

• 4th Law of Motion

The amount of gravity depends on two things. Those two things are:

• Mass and Gravity

• Kinds of surface & force pressing against each other

• Kinds of surface & gravity

• Mass of the object & distance between the objects

A tow truck pulls a 2,000kg car with a force of 4,000N. If the car has 1,500kg and is pulling in the opposite direction with 4,000N. What is the Net Force?

Objects tend to resist changes in motion. This property is called:

• weight

• momentum

• potential energy

• inertia

When an archer shoots an arrow, what is the force that will cause the arrow to fall to the ground?

• Friction

• Gravity

• Velocity

• Pushing

When a driver slams on the brakes and brings the car to a quick stop, unbelted passengers will:

• continue to move forward in a straight line

• come to a stop at the same time as the car

• be pushed against the door on the passenger side.

• be pushed against the back of the seat.

When an inflated balloon is released from rest moves it horizontally with velocity. The velocity of the balloon is most likely caused by:

• action-reaction forces

• air resistance

• gravitational attraction

• rolling friction

A book rests on a table. The force of gravity pulls down on the book with a force of 20N. What prevents the book from moving downward?

• The table presses back up on the book with an equal and opposite force of 20N.

• The table presses back up on the book with a force greater than 20N.

• The table and the book together are accelerating downwards at 9.8 m/sec².

• The weight of the book holds it up.

If a students standing on a skateboard throws a forward pass of an 8kg ball to the left. Which direction below correctly shows the skateboard’s direction of motion after the student releases the ball?

• to the right

• up

• down

• to the left