physics forces

As the angle of the incline increases, what happens to the normal force?

• The normal force increases

• The normal force decreases

• The normal force is not affected by the incline

• The normal force is only dependent on the force due to gravity

Tags

NGSS.HS-PS2-1

Sam is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?

• The force applied by the board must be greater than the frictional force

• The frictional force must equal the force applied by the board

• The force applied must equal zero

• There is not enough information

Tags

NGSS.MS-PS2-2

How much does a 29-kg weigh on the surface of the moon (where the acceleration of gravity is 1/6th that of Earth)?

• 47.4 N

• 284.2 N

• 19.6 N

• 290 N

• 4.8 N

Tags

NGSS.HS-PS2-1

A 31-kg mass is accelerated by a net force of 81 N. What is the acceleration of the mass?

• 2.6 m/s²

• 10 m/s²

• 0.39 m/s²

• 0.25 m/s²

• 4 m/s²

Tags

NGSS.MS-PS2-2

A 70 kg acrobat hangs from a bar, motionless, that is attached to the ceiling by two ropes. Find the tension in each rope.

• 70 N
• 686.7 N
• 343.35 kg
• 343.35 N

Tags

NGSS.HS-PS2-1

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced

What is it called when the force of gravity is acting on an object?

• Weight
• Sliding Friction
• Momentum
• Projectile Motion

Tags

NGSS.MS-PS2-4

What is the overall force acting on an object after all forces are combined.

• Sliding Friction
• Inertia
• Weight
• Net Force

Tags

NGSS.MS-PS2-2

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2