Download Name

Name
Date
Period
Forces Practice Problems
1. What force is required to accelerate a 5 kg mass from rest to 35 m/s in 1.75 s?
2. If a 13 kg bowling ball is thrown down the alley with a force of 95 N...
a. What is the acceleration of the ball?
b. If the ball starts at rest and travels down the alley in 3 s, what is the velocity of the ball
just before impact with the pins?
3. Determine the weight of a 52.5 kg man.
4. A car with a mass of 1900 kg starts from rest and accelerates uniformly at a rate of 6.0
m/s/s. What is the force acting on the car during this time?
5. How much force would be required to slow a 4500 kg car from 45 m/s to 27 m/s in 3.5
seconds?
6. A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.
7. An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force
required to produce this acceleration.
8. A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N
opposing the motion. Calculate the acceleration of the object.
9. An object of mass 30 kg is in free fall in a vacuum where there is no air resistance. Determine
the acceleration of the object.
10. An object of mass 30 kg is falling in air and experiences a force due to air resistance of 50
newtons. Determine the net force acting on the object and acceleration.
11. A student pushes on a crate with a force of 100 N directed to the right. What force does the
crate exert on the student?
12. A force of 200 N is exerted on an object of mass 40 kg that is located on a sheet of perfectly
smooth ice. Calculate the acceleration of the object.
13. Just before opening her parachute a skydiver of mass 50 kg reaches terminal velocity.
Calculate the force of air resistance.
14. For a person who has a mass 60 kg, calculate the weight in newtons and in pounds.
15. An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?