Displacement and Force in 2D

A force applied to an object by another object

• Applied Force

• Friction Force

• Tension Force

• Drag Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The force of the Earth (or any massively large object) attracting another object to itself.

• Gravitational Force

• Normal Force

• Electrical Force

• Net Force

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The support force exerted by a surface on an object resting on it

• Gravitational Force

• Normal Force

• Electrical Force

• Net Force

A force exerted by a surface in opposition of continued motion across it

• Normal Force

• Kinetic Friction Force

• Static Friction Force

• Net Force

Tags

NGSS.MS-PS2-1

The total force acting on a object

• Normal Force

• Maximum Force

• Cumulative Force

• Net Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the magnitude of the resultant vector, r?

• 3

• 4

• 5

• 7

What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N? 

• 0.78
• 0.51
• 0.78 N
• 0.58 N

Tags

NGSS.MS-PS2-2

A box takes 40 N to start moving when the coefficient of static friction is .54. What is the weight of the box? 

• 81 N
• 18 N
• 98 N
• 74 N

Tags

NGSS.MS-PS2-2

Which of the following is the best expression to calculate the Normal Force?

• F_N = mg cos(ϴ)

• F_N = mg sin(ϴ)

• F_N = mg sin(180-ϴ)

• F_N = mg cos(90-ϴ)

Tags

NGSS.HS-PS2-1

A box weighing 46 newtons rests on an incline that makes an angle of 25° with the horizontal. What is the magnitude of the box's Normal Force?

• 19N

• 21N

• 42N

• 26N