momentum and impulse Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Momentum

A

It is the product of the mass and velocity of the object.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Newton’s Second law in terms of momentum

A

The net force acting on an object is equal to
the rate of change of momentum.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Newton’s Third law

A

– When object A exerts a force on object B, object B simultaneously
exerts an oppositely directed force of equal magnitude on object A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The law of conservation of momentum

A

– The total linear momentum of an isolated system
remains constant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An elastic collision

A

– A collision in which both momentum and kinetic energy are conserved.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

An inelastic collision

A

– A collision in which only momentum is conserved.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Impulse –

A

The product of the net force and the contact time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gravitational potential energy

A

The energy an object possesses due to its position relative
to a reference point.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Kinetic energy

A

The energy an object has as a result of the object’s motion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Mechanical energy

A

The sum of gravitational potential and kinetic energy at a point.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Law of conservation of energy

A

The total energy in a system cannot be created nor
destroyed; only transformed from one form to another.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Principle of conservation of mechanical energy –

A

In the absence of air resistance or any
external forces, the mechanical energy of an object is constant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly