WorksheetsUsing Newton's 2nd Law
Total questions: 17
Worksheet time: 26mins
A 50-kg crate is pushed with a horizontal acceleration of 20 m/s2. What net force is acting on the crate?
2.5 N
0.4 N
1000 N
30 N
A 20-N net force acts on an object with a mass of 2.0 kg. What is the object's acceleration?
10 m/s2
0.1 m/s2
40 m/s2
22 m/s2
What is the mass of a motorcycle that accelerates at 4 m/s2 when a net force of 400 N is applied to it?
1600 kg
100 kg
0.01 kg
396 kg
A 10-kg crate is pushed across a frictionless surface with a force of 30 N. What is its acceleration?
300 m/s2
3 m/s2
20 m/s2
0.33 m/s2
A 20-kg crate is being pushed across a floor with a force of sliding friction of 20 N. If the pushing force is also 20 N, what is the acceleration of the crate?
0 m/s2
2 m/s2
0.5 m/s2
40 m/s2
A winch is supplying a force of 100 N on a large 50-kg crate to move it along a trailer bed with a friction force of 50 N. What is the acceleration of the crate?
0 m/s2
10 m/s2
1 m/s2
2 m/s2
A 75-kg skydiver who has not yet opened his parachute is falling at terminal velocity. What is the magnitude of air resistance force that is acting on him?
about 75 N
0 N ... air is too light to exert any forces
750 N
10 N
What is the weight on Earth of a labrador retriever that has a mass of 30 kg?
30 N
30 lbs
about 300 lbs
about 300 N
A person who has a mass of 60 kg on Earth will have a mass of ________ on the moon.
less than 60 kg
60 kg
more than 60 kg
less or more mass on the moon it just depends on whether she has fallen into a crater or is standing on top of a hill.
A sled dog supplies a pulling force of 100 N to a 40 kg sled and the sled accelerates at 2 m/s2. What is the force of sliding friction between the sled and the snow?
-5 N
-10 N
-20 N
-40 N
Football A has a greater mass than football B. Which football will have greater acceleration when both are thrown with the same force in the same direction?
Football A
Football B
They will have the same acceleration
Mass has no effect on acceleration
The unit of force is
m/s
m/s^2
N
kg
In Newton's 2nd Law the M stands for
meters
metric
mass
In Newton's 2nd Law the variables are
F, N, A
F, M, A
D, V, A
S, D, T
