newton's laws of motion

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

Tags

NGSS.MS-PS2-2

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

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 

• 18N left
• 18N right
• 2N right
• 2N left

Tags

NGSS.MS-PS2-2

A bike accelerates at 10 m/s² when a force of 50N is applied.  What is the mass of the bike and its rider?

• 25 kg
• 200 kg
• 20 kg
• 5 kg

Tags

NGSS.MS-PS2-2

Newton's 1st of Motion is also known as "The Law of _______________."

• Inertia

• Gravity

• Mass

• Velocity

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Tags

CCSS.HSF.IF.B.4

Which has more Inertia? (so need more force to move) 

• Truck
• Ant
• A cat
• A skateboard

Tags

NGSS.MS-PS2-2

F=MA
An object of mass 20 kg is accelerated upward at 4 m/s².  What force is required? 

• 80 N
• 5 N
• 16N
• 0.2 N

It has been found that a karate blow on a block of wood can exert a 2,450N on the hand. What force must be put on the block to break it?

• 2,450N
• less than 2,450N
• more than 2,450 N
• 4,900N

When all the forces on an object are equal and opposite, & the net force is zero, that's...

• balanced forces
• unbalanced forces
• terminal velocity
• reaction forces

Tags

NGSS.HS-PS2-1