Topic 2: Force & Motion Review

How do you calculate speed?

• distance divided by time

• time divided by distance

• distance times time

What is the speed at 2 seconds?

• 6 m/s

• 3 m/s

• 2 m/s

• 1 m/s

Tags

NGSS.MS-PS3-1

Here are four points that are on the graph:

1. 1. 6 km, 2 sec

2. 2. 0 km, 0 sec

3. 3. 6 km, 5 sec

4. 4. 8 km, 7 sec

5. What is the correct order of the points on the graph from left to right?

• 1, 3, 2, 4

• 2, 4, 1, 3

• 3, 2, 1, 4

• 2, 1, 3, 4

Tags

NGSS.MS-PS3-1

What is velocity?

• Speed times time

• distance divided by time

• distance divided by time with a direction

• speed times distance

speed is only a measurement of...

• how fast something moves

• the direction something moves

velocity is...

• speed and direction

• force and direction

• speed and acceleration

• force and acceleration

Tags

NGSS.MS-PS3-1

According to Newton's first law, which causes an object to move?

• more forces making it unbalanced force

• more forces making it balanced forces

• less forces making it balanced

• less forces making it unbalanced

Tags

NGSS.MS-PS2-2

If two people push a box with equal force, the forces are considered___________ and the box will _____________ .

• balanced

  not move

• unbalanced

  not move

• balanced

  move

• unbalanced

  move

Tags

NGSS.MS-PS2-2

What is the speed of a car that travels 20 km in 10 minutes?

(a)   km/min

What is accurate about both runners?

• The runners started at different times.

• the runners took the same time to finish the race

• the runners ran the race on different tracks

• the runners returned to the starting point at the end of the race.