Newton's 1st and 2nd law

The tendency of an object at rest to remain at rest or, if moving, to continue moving at a constant velocity...

• inertia

• force

• movement

• friction

What Unit do we measure Force in?

• Newtons

• Joules

• Force

• Grams

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 
• 40N 
• 10N 
• 70N

Tags

NGSS.MS-PS2-1

Which has the most Inertia?

• A 1000 kg truck

• A 0.5 kg ant

• A 2.0 kg cat

• A 5.0 kg skateboard moving

friction is a force that acts 

• in the same direction as the motion
• opposite to the direction of the motion
• opposite to the applied forces
• the same direction as the applied force

A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s². Determine the mass of the encyclopedia?

•  m = 3.0 kg
• m = 4.0 kg 
• m = 3.0 ml 
• m = 30.0 g

Tags

NGSS.MS-PS2-2

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain at the same velocity

• eventually come to a stop.

• change its momentum.

• accelerate.

Which type of force(s) will cause a change in an object's motion?

• gravity
• zero net force
• balanced forces
• unbalanced forces

Tags

NGSS.MS-PS2-2

What is the net force

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

What is the net force?

• 40 N left

• 0 N Balanced

• 400 N right

• 40 N right