Unit 1 Test 24/25 (1,2)

Your cell phone goes flying towards the dashboard as you slam on brakes. This is due to ________.

• friction
• inertia
• thermal energy
• balanced forces

Cierra travels 450 km towards her home in 6 hours. What is her speed?

• 75 kg/hr
• 2700 km/hr
• 75 km/hr
• 75 m/hr

Traveling at 13 km/hr, Landa took 2 hours to get to her cousin's house. How far did she travel?

• 26 miles
• 26 km
• 26 km/hr
• 6.5 km/hr

The distance an object travels per unit of time is called _______.

• force
• speed
• velocity
• acceleration

To determine if motion occurs, you must use a ______________.

• force
• inertia
• reference point
• displacement

The distance and direction of any object's change in position from the starting point is called ______.

• displacement
• inertia
• velocity
• speed

The combination of ALL the forces acting on an object at the same time is called _______.

• net force
• inertia
• acceleration

A body remains at rest or in motion with a constant velocity unless acted upon by an external force. Which law?

• Newton's 1st
• Newton's 2nd
• Newton's 3rd

A UFO changed velocity from 1.0 km/s to 1.8 km/s in .03 seconds. What is the acceleration of the UFO?

• 26.67 km/s/s
• 28 km/s/s
• -26.67 km/s/s
• 93.33 km/s/s

If an object travels 1265 meters and moves an average speed of 2 m/s, How much time does it take to move a distance?

• 632.5 seconds
• 2530 seconds
• 632.5 minutes
• There is not enough information to solve the problem.