Physics Study Guide Quiz

What is the definition of acceleration ?

• The rate of decrease of speed or velocity

• The force of air pushing against the motion of an object

• The rate of increase of speed or velocity

• A force that changes motion or speed

What does air resistance (drag) refer to?

• The force of gravity pulling an object to the earth

• The force of air pushing against the motion of an object

• The force that resists motion between two touching surfaces

• A force that doesn't change motion or speed

What is a balanced force as described in the document?

• Forces that make things move faster or slower

• A force that doesn't change motion or speed

• A force that changes motion or speed

• Forces that have the same strength

What does the term "potential energy" mean?

• Energy of motion

• The ability to do work

• Stored energy

• A push or pull on an object

What is the role of friction?

• It helps us walk without slipping

• It makes things move faster

• It acts in the same direction of the force

• It only produces heat

Which statement best describes gravity?

• Force that resists motion between two surfaces

• Force that brings objects toward the earth

• Force that acts in the same direction as the force

• Force that cancels out other forces

What does inertia refer to in physics?

• The ability of an object to increase its speed

• The tendency of an object to resist a change in motion

• The force applied to stop an object

• The measurement of how much matter an object contains

Which of the following best describes mass?

• The speed of an object in motion

• The force of gravity on an object

• How much matter an object contains

• The resistance against motion

What is momentum dependent on?

• The color and shape of an object

• The weight and height of an object

• The mass and velocity of an object

• The position and speed of an object

How is motion described?

• Only by the speed of an object

• By speed, direction, position, and velocity

• By the weight and resistance it encounters

• By the force applied and the distance covered