Physical Science A

What is the gravitational potential energy of a 54 kg box that is 8.0 m above the ground?

How loud a sound is depends on

The efficiency of a ramp is 75%. If the amount of work input is 240 J, what is the amount of useful work output?

The difference between speed and velocity is that velocity includes

A tug-of-war that results in one team pulling the other across the line is an example of

As the kinetic energy of the molecules in a substance increases, the

What is 37.0 degrees Celsius on the Fahrenheit scale?

Which of the following is an example of mechanical energy?

The tendency of an object at rest to remain at rest is

The kind of energy associated with atomic bonds is

An inclined plane

Energy from the Sun reaches Earth by

The SI unit of force, named after the scientist who described the relationship between motion and force, is called the

The frequency of a sound wave determines

The force of gravity, the electromagnetic force, the strong nuclear force, and the weak nuclear force are considered

Weight is best described as

Convert 200 degrees Celsius to Kelvin.

Which is an example of kinetic friction?

A wave front is

A medicine ball has a mass of 5 kg and its thrown with a speed of 2m/s. What is the kinetic energy?

A force is continuously applied to an object, causing it to accelerate.
After a period of time, however, the object stops accelerating. What conclusions can be drawn?

Using the following table, determine which subsstance can absorb the most energy in a temperature increase of 1K.

Specific Heats at 25°C
Substance c (J/kg • K) Substance c (J/kg • K)Water (liquid) 4,186 Copper 385
Steam 1,870 Gold 129
Ammonia (gas) 2,060 Iron 449
Ethanol (liquid) 2,440 Mercury 129
Aluminum 897 Lead 129
Carbon (graphite) 709 Silver 234

A wave has a period of 0.25 seconds. The frequency of this wave is

The amplitude of the wave in the diagram above is

Force is a quantity made up of

On a speed vs. time graph, constant acceleration is represented by a

Friction is defined as the

Light waves

A machine is a device that

When the velocity of an object changes, it is acted upon by a(an)

Which of the following is not a factor in calculating momentum?

Water waves

Which of the following is a compound machine?

If the net force on an object is zero, then the object has

Convection currents rise in the air because

Acceleration is defined as the change in velocity divide by

The color of light is determined by the _______________of the light

A weightlifter presses a 400 N weight 0.5 m over his head in 2 seconds. What is the power of the weightlifter?

In an air conditioner, a substance that easily evaporates and condenses is used to transfer energy from a room to the air outside. When the substance evaporates,

The transfer of energy as heat caused by the collision of molecules is called

Displacement

The wavelength of the wave in the diagram above is

A man pushes a crate along a factory floor by exerting a force of 55 N. If the crate moves a distance of 4.0 m, how much work does the man perform?

The distance traveled by an object divided by the time it takes to travel that distance is called

When objects are moved further apart from each other, the force of gravity between them

This type of heat transfer must have direct contact to exchange heat

What is the reaction force when you place a cup on a table?

Which of the following is not in the inclined plane family?

On a distance vs. time graph, the line of an object at rest is a

A child is sending pulses down a stretched rope at a rate of 2 pulses per second. The distance between the pulses is 5 meters. What is the speed of the wave?