Law's of Motion

Front

____ is the rubbing force that acts against motion between two touching surfaces.

Back

Friction

Front

Identify the SI unit used to measure force? Options: meters per second squared, kilograms, Newtons, Joules

Back

Newtons

Front

If an object has a large mass, it needs a stronger force to make it accelerate. Which law of motion does this describe?

Back

Newton's 2nd Law

Front

The acceleration of an object depends on which two factors?

Back

Force and Mass

Front

A 6000 N force gives an object an acceleration of 60 m/s. Identify the mass of the object.

Back

100 kg

Front

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

Back

remain in motion.

Front

If a force of 25 N is exerted on two balls, one with a mass of 0.50 kg and the other with a mass of 0.75 kg, which ball will have the greater acceleration? (F=ma)

Back

The one with a mass of 0.50 kg will have the greatest acceleration.

Front

Pushing a child on a swing is easier than pushing an adult on the same swing. Which law of motion does this illustrate?

Back

2nd Law

Front

Calculate the net force of the two people moving the piano.

Back

45 N

Front

What force keeps the moon and other satellites in orbit around the earth?

Back

gravity