Physics Quiz

What is the term for a push or pull on an object?

• Friction

• Gravity

• Force

• Weight

What does gravity do to your body?

• Pushes it sideways

• Pulls on it

• Changes its color

• Makes it invisible

What is the effect of increasing the force between two surfaces?

• Decreases friction

• Increases friction

• Has no effect on friction

• Changes the color of the surfaces

How does friction change with increased force?

• It decreases

• It increases

• It remains the same

• It disappears

What is the special case of static friction called when it involves wheels?

• Sliding friction

• Rolling friction

• Fluid friction

• Kinetic friction

What is the relationship between static friction and rolling friction?

• Rolling friction is a type of static friction

• Static friction is a type of rolling friction

• They are unrelated

• They are the same

What is gravity?

• A repulsive force between two objects

• An attractive force between any two objects

• A force that only acts on objects without mass

• A force that only acts at short distances

What does the gravitational force depend on?

• The color of the objects

• The shape of the objects

• The masses of the objects and the distance between them

• The temperature of the objects

According to the law of universal gravitation, what happens to the gravitational force as two objects move closer?

• The force decreases

• The force remains the same

• The force increases

• The force disappears

According to the law of universal gravitation, what happens to the gravitational force between two masses as the distance between them increases?

• It increases rapidly.

• It decreases rapidly.

• It remains constant.

• It becomes zero.