Forces/Motion Test

Front

A group of students is playing tug-of-war. The students on both sides of the rope are pulling with equal force so that the rope is not moving. This is an example of

Back

balanced forces

Front

A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

Back

The escaping water exerts an equal and opposite force on the hose.

Front

If the same force is applied to each of the balls, which one will have the LEAST acceleration? Options: m = 0.5 kg, m = 0.75 kg, m = 1.0 kg, m = 7.3 kg

Back

m = 7.3 kg

Front

An object in motion with no unbalanced forces acting on it will

Back

continue to move in its path at a constant speed.

Front

The upward force on an object falling through the air is ____.

Back

air resistance

Front

The relationship among mass, force, and acceleration is explained by ____.

Back

Newton's 2nd Law of Motion

Front

For any object, the greater the force that's applied to it, the greater its ____ will be.

Back

acceleration

Front

The size of the gravitational force between two objects depends on their ____.

Back

masses and the distance between them

Front

According to the Law of Universal Gravitation, when will an astronaut's weight on a new planet be greater than on Earth?

Back

The new planet has more gravity than Earth.

Front

Compare the acceleration of a fly hit by a bat to the acceleration of a baseball hit with the same force.

Back

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