Newton's Laws of Motion

Front

Because of inertia, a resting object ________. Options: will remain at rest, will move at a constant speed, will eventually move, is unbalanced

Back

will remain at rest

Front

As more unbalanced force is applied to an object, its acceleration:

Back

increases

Front

A 20 kg bike accelerates at 10 m/s². What was the force?

Back

200 Newtons

Front

Rougher surfaces have ...

Back

greater friction

Front

If the man pushes with an equal amount of force, which object will accelerate more? (Options: Car, Lawnmower)

Back

Lawnmower because it has less mass

Front

The picture shows a weightlifter holding the barbell over his head. The force of gravity pulling down on the barbell is 756 newtons. How many newtons of force are exerted by the weightlifter to hold the barbell up?

Back

756 Newtons

Front

What is balanced force?

Back

Sum of all forces equal to zero.

Front

Back

1000g

Front

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

Back

bike

Front

Momentum of 1000-kg car moving southward at 20 m/s

Back

20000 Kg * m/s south