Motion Review

Which is the same about the two cars?

• mass

• velocity

• momentum

• speed

Tags

NGSS.MS-PS2-1

Sadie jumps rope during gym class. What object pushes against Sadie so she can jump?

• the jump rope

• the gym teacher

• the floor

• gravity

Tags

NGSS.MS-PS2-1

Which of these could you probably pick up with 1 newton of force?

• car

• orange

• your friend

• a hippo

A race car is going around a curved track at a constant speed. Why is the race car accelerating?

• The car's size will eventually slow it down

• the car travels faster around a curved track

• the clockwise direction of the car is constant

• the direction of the car is constantly changing

As you run, your feet push against the ground. At the same time, the ground pushes against your feet. Which of the following explains this.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• momentum

Tags

NGSS.MS-PS2-1

A motorcycle is stopped at a red light. The light turns green and the motorcycle starts accelerating 10km/hr every second. What will its speed be a the end of 5 seconds?

• 5 km/hr

• 50 km/hr

• 15 km/hr

• 500 km/hr

Tags

NGSS.MS-PS2-2

A bowling ball and a golf ball are rolling down a ramp at the same speed. Why will the bowling ball be harder to stop?

• it has greater velocity

• it experiences greater friction

• it has greater acceleration

• it has greater momentum

Tags

NGSS.MS-PS3-1

If the same force acts on each of the following objects, which will have the greatest acceleration?

• a basketball

• a softball

• a ping pong ball

• a soccer ball

Tags

NGSS.MS-PS2-2

A marble rolls steadily at a speed of 1 m/sec in one direction for 5 minutes. What property of the marble changes?

• acceleration

• speed

• position

• velocity

The distance an object travels in a certain time is

• velocity

• speed

• acceleration

• inertia

Tags

NGSS.MS-PS3-1