Forces Test Review

A measure of the inertia of an object; The amount of matter an object has.

• Mass
• Gravity
• Force
• Momentum

The force that resists motion

• Gravity

• Inertia

• Momentum

• Friction

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

• 102.04 n

• 9,800 n

• 980 n

• 103 n

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 100 m/s²
• 25,000 m/s²
• 10 m/s²
• 25 m/s²

Tags

NGSS.MS-PS2-2

A 50 kg skater pushed by a friend accelerates 5 m/sec².  How much force did the friend apply?

• 45 N
• 15 N 
• 10 N
• 250 N

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 
• 1,250kg
• 50kg
• 5kg

Tags

NGSS.MS-PS2-2

If you increase the mass on an object, its acceleration

• decreases
• stays the same
• also increases
• stops

Tags

NGSS.MS-PS2-2

How much force is needed to accelerate a 3kg skateboard at 5m/s^2. 

• 8N
• 1.6N
• 0.6N
• 15N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2