Forces

Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

An object's resistance to its change in motion is its

• Friction
• Inertia
• Gravity
• Pressure

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

• 20 m/s²

• 0.5 m/s²

• 2 m/s²

• 120 N

Tags

NGSS.MS-PS2-2

The net force acting on the object is acting _____.

• to the right

• to the left

• up

• down

Tags

NGSS.MS-PS2-2

The net force (Fnet) acting on the object is _____ N.

Tags

NGSS.MS-PS2-2

A baseball player hits a 2 kg ball with a force of 400 N. How fast will it accelerate?

• 800 m/s2

• 400 m/s2

• 200 m/s2

• Not enough info to tell

Tags

NGSS.MS-PS2-2

A person rowing in a boat is an example of what law of motion?

• First

• Second

• Third

Tags

NGSS.MS-PS2-1

What forces would be acting on the object in the picture?

• Gravity going down

  Normal going up

• Gravity going down

  air resistance going up

• Gravity going down

• Gravity going down

  tension going up

What force is always going opposite the motion of an object?

• Gravity

• Friction

• Air resistance

• Normal