Newtons 2nd Law

​8.6C Newtons 2nd Law

Multiple Choice

If sea level always equals (0), and the contour interval is 10 feet how tall is this mountain?

• 30 ft

• 40 ft

• 50 ft

• 60 ft

Multiple Choice

When fertilizers enter surface water, they cause problems in the watershed by -

• clogging narrow streams and preventing water from flowing properly

• increasing the amount of nutrients available to fish in lakes and streams

• causing rapid algal growth that decrease oxygen levels and choke aquatic life

• raising the water level in nearby rivers to levels leading to flooding

Multiple Choice

Two students apply force to a box at rest on the floor. What is the total amount of force in Newtons acting on the box and in which direction?

• 10 N Left

• 10 N Right

• 70 N Left

• 70 N Right

Multiple Choice

What amount of force needs to be applied to a 20-kg bowling ball to give it an acceleration of 5 m/s²?

• 4 N

• 25 N

• 100 N

• 250 N