47. Newton's Laws REVIEW

Scott travels north 6 miles and then goes west 4 miles before coming straight back south 2 miles. What is his distance?

• 10 mi

• 11 mi

• 12 mi

• 13 mi

Distance and direction of an object's change in position from a starting point.

• displacement

• distance

• motion

• reference point

You run exactly 3 laps around a 100 meter track and finish where you started. What is your displacement?

• 0 m

• 400 m

• 800 m

• 1200 m

Billy runs 400 meters to Andy's house, turns around, then runs 400 meters back home. What is Bill's distance traveled?

• 0 m

• 400 m

• 800 m

• 1200 m

Billy runs 400 meters to Andy's house, turns around, then runs 400 meters back home. What is Bill's displacement?

• 0 m

• 400 m

• 800 m

• 1200 m

All of the following are examples of speed except:

• A car traveling 55 km/hr

• A snail hightailing at 45 m/s

• Mr. Roberts timing himself walking down the hallway at 23 seconds.

• Lonnie running down the hall at 45 mph

What is the formula to calculate speed?

• s = d/t

• s = t/d

• s = d x t

• s = t x d

A car traveled 240 meters in 5 seconds, what is its speed?

• 48 m/s

• 4.8 m/s

• 1200 m/s

• 0.02 m/s

A bus traveled 98 meters in 2 seconds. What is its speed?

• 94 m/s

• 196 m/s

• 49 m/s

• 0.02 m/s

According to Newton's 1st law, objects in motion tend to stay ____________, while objects at rest tend to stay ___________ unless acted upon by a net force.

• in motion; at rest

• at rest; in motion

• at rest; at rest

• in motion; in motion