Ch. 5 Forces (Unit 3)

Force vectors should show...

• Only the strength of a force

• The strength and direction of a force

• Only the direction of a force

• The strength and only the direction if it is negative

When will forces be in equilibrium?

• When the net force is constant.
• When the net force is greater than zero.
• When the net force is zero.
• When the net force is less than zero.

Which of these correctly describes weight?

• The mass of an object

• The mass of an object in Newtons

• The force of gravity on an object

• The upward force on an object on a surface

Tags

NGSS.MS-PS2-4

Spring forces like extension and compression work because...

• Springs are always pulling

• Springs are always pushing

• Springs are unaffected by gravity

• Springs want to return to a resting shape

Tags

NGSS.MS-PS2-5

What is a contact force?

• A force that arises from direct physical contact between two objects.
• A force that is measured in units of newtons (N).
• A force that attracts objects with mass towards each other.
• A force that acts on objects at rest.

What is tension?

• A force that resists motion

• A force pushes up against an object on the surface

• A pulling force

• A force that resists a pull

What is the term for the overall force acting on an object?

• Normal force.
• Spring force.
• Net force.
• Balanced force.

Tags

NGSS.MS-PS2-2

Which of these is the correct formula to find gravity?

• w x m

• m / w

• m + w

• w / m

Which of these is the correct formula to find weight?

• m x g

• m / g

• m + g

• g / m

Tags

NGSS.MS-PS2-4

What is the normal force?

• A force that pulls down

• A force that pushes up against an object on a surface

• A force that resists motion

• The sum of all forces acting on an object