SCI-101 Midterm Practice

Front

What is the term for the force exerted by a surface to support the weight of an object resting on it?

Back

Normal force.

Front

Which type of energy is stored due to an object's position or state?

Back

Potential energy.

Tags

NGSS.MS-PS3-2

Front

What type of energy is associated with the motion of an object?

Back

Kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the formula to calculate work done when a force is applied over a distance?

Back

Work = Force x Distance.

Front

What is the mechanical advantage of a pulley system that allows you to lift a load with less effort?

Back

Mechanical advantage is the ratio of the load force to the effort force.

Front

What is buoyant force?

Back

The upward force exerted by a fluid on an object immersed in it.

Front

What is friction?

Back

The resistance that one surface or object encounters when moving over another.

Front

What is the difference between kinetic and potential energy?

Back

Kinetic energy is energy of motion, while potential energy is stored energy based on position.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Front

What is the unit of work in the International System of Units (SI)?

Back

Joule (J).

Front

How do you calculate the potential energy of an object?

Back

Potential Energy = mass x gravity x height.