Momentum Vs Impulse

Questions

1

Momentum is calculated by multiplying an object's mass by its ______.

velocity

1

If a truck and a ladybug are moving at the same speed, the truck has more momentum because it has more ______.

Mass

2

An ______ is what we call a force applied over a specific amount of time, which causes a change in momentum.

Impulse

2

If a heavy truck and a light car are both stopped, which one has more momentum?

None

3

Kinematic Equation 1?

d=Vit + 1/2at²

Questions

1

What is the standard unit for momentum in the SI system?

kg.m/s

1

An impulse is defined as the _________ applied to an object multiplied by the time it is applied.

Force

2

According to the Impulse-Momentum Theorem, an impulse applied to an object is equal to its change in __________.

Momentum

2

If two objects have the same velocity, the one with the higher __________ will have more momentum.

mass

3

A car's braking system can apply a maximum force of 350N. If a 750kg car is moving at 70 m/s what is the minimum time required to stop?

150 seconds.

Questions

1

Momentum is also known as moving ________.

Inertia

1

What is the SI unit for Impulse?

N.s

2

A 5.5kg ball is moving at 54 m/s. What is its momentum?

297 kg.m/s

2

If a heavy bowling ball and a light tennis ball are pushed with the exact same amount of force for the exact same amount of time, which ball has the higher momentum?

Tennis

3

A 3 metric ton kg car traveling at 57 m/s strikes a wall and comes to a complete stop in 4 seconds. What is the average force exerted on the car?

42,750 N 

Questions

1

What are the other unit of Force?

kg.m/s²

1

A 10kg box is sliding at 3m/s. What is the magnitude of its momentum?

30 kg.m/s

2

If you apply a force of 3.5 N for 20 seconds, what is the impulse?

70 N.s

2

A 1.2 kg object has a momentum of 6.7 kg.m/s. What is its velocity?

5. 58 m/s

3

A 7.5 kg bowling ball is moving at 5.0 m/s. It hits a pillow and stops in 1.2 seconds. What is the force exerted by the pillow?

31.25 N

Questions

1

What is the formula for Impulse?

I=Ft

1

Formula for Impulse - Momentum Theory?

Ft = mv 

2

If the object has a mass of 5kg and accelerate at 6.7 m/s² and stopped at 4.5 seconds? What is the average force exerted to an object and impulse of an object?

J = 150.75 N.s

2

Which has more momentum: a 8.8 kg rocket moving at 500 m/s or a 55 kg person walking at 0.1m/s?

rocket

3

A 0.1 kg rubber ball is dropped and hits the floor at 5 m/s. It bounces back up at 5 m/s. What is the impulse provided by the floor?

1.0 N.s