F=MxA

A wagon in being pulled down the street. The wagon has a mass of 45 kg and is accelerating at a rate of 15m/s². How much force must be exerted to move the wagon?

• 45 N

• 15 N

• 3 N

• 675 N

A water skier with a mass of 72 kg was being pulled by a boat that caused him to accelerate at 3 m/s². Calculate the force of the boat pulling on the water skier.

• 4 N

• 216 N

• 24 N

• 218 N

A tow truck is pulling a car that has a mass of 564 kg. The tow truck is accelerating at a rate of 2 m/s². What is the force required to pull the car?

• 282 N

• 564 N

• 1128 N

• 2 N

Box A has a mass of 796 kg. Box B has a mass of 522 kg. Which box will require more force to accelerate at 10 m/s².

• Box A

• Box B

A car with a mass of 1500 kg speeds up from 20 m/s to 26 m/s in 2 seconds. Calculate the force the engine had to exert to change the cars speed. (hint: you might need your acceleration formula as well as your force formula)

• 4500 N

• 30,000 N

• 39,000 N

• 3,000 N

What is the minimum amount of force needed to launch a 1,200 kg rocket off the ground? (hint: think about acceleration due to gravity and forces)

• 122.4 N

• 11,760 N

• 12,000 N

• 3 N

A force of 50 N is needed to accelerate a toy car 2 m/s². Calculate the mass of the toy car.

• 50 kg

• 75 kg

• 100 kg

• 25 kg

A person exerts 30 N of force on a couch they are trying to move. The couch is accelerating at a rate of 10 m/s². What is the mass of the couch?

• 300 kg

• 3 kg

• 10 kg

• 50 kg

A 55 kg wagon is being pushed by a 3 N force. At what rate is the wagon accelerating?

• .054 m/s²

• 165 m/s²

• 24 m/s²

• 123 m/s²

A person has a mass of 27 kg. They are being pulled in a wagon with a net force of 6 N. What is the acceleration of the person?

• 15 m/s²

• 8 m/s²

• .22 m/s²

• 12 m/s²