Worksheets3.4 Physics Review
Total questions: 12
Worksheet time: 6mins
A 10 kg cat runs 5 m/s. How fast must a 15 kg dog run to have the same momentum as the cat?
4 m/s
3.33 m/s
5 m/s
10 m/s
If the distance of an object is reduced by 1/2, the gravitational force will..
Increase 2
Increase 4
Decrease 1/2
Decrease 1/4
What is the mass of an animal running 5 m/s with a momentum of 500 kg m/s ?
5 kg
10 kg
50 kg
100 kg
What is the impulse of an object pushed with 13 N for 10 seconds?
100 N s
10 N s
130 N s
1.3 N s
What is the impulse of a 15,000 kg plane that changes it's velocity from 20 m/s to 42 m/s?
330,000 kg m/s
630,000 m/s
300,000 m/s
100,000 m/s
If the mass of the earth suddenly doubled, what would be the effect of gravitational force?
Force will double
Force will triple
Force will 1/2
Force will 1/4
A 50 kg man runs at 2.5 m/s. How must must a 40 kg female run to have the same momentum?
50 m/s
4.5 m/s
3.1 m/s
2.3 m/s
A 12 kg box is pushed with 10 N for 2 seconds. What is the impulse on the box?
20 N s
12 N s
15 N s
24 N s
A 12 kg box is pushed with 10 N for 2 seconds. What is the impulse on the box?
*What is the change in momentum?*
20 kg m/s
15 N s
12 N s
24 N s
What is the momentum of a 4 kg object moving at 2 m/s from rest for 10 seconds ?
4 kg m/s
5 kg m/s
8 m/s
10 m/s
An object has 3N applied to it, for 10 seconds. What is the impulse?
30 N s
13 N s
3 N s
10 N s
Based on Newton's law of universal gravitation, what two factors does gravitation force depend on?
mass and weight
mass and distance
distance and velocity
mass and velocity
