FORCE AND PRESSURE PROBLEMS

A 50 Kg skater pushed by a friend accelerates 5 m/s². How much force did the friend apply?

• 20Pa

• 1234N

• 250 N

• 605N

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

• 4 N

• 4 m/s²

• 25N

• 25 m/s²

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.

• 1200 N

• 9.8N

• 9.8m/s²

• 56Kg

A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/s2. What is its mass?

• 5.66Kg

• 12Kg

• 98Kg

• 5Kg

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 9.81m/s²

• 48m/s²

• 10 m/s²

• 5000m/s²

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2. What is the mass of the

object?

• 56 Kg

• 50 Kg

• 33Kg

• 27Kg

Calculate the pressure of an object that applies a force of 567 N on a surface of 0.3m²

• 1890 Pa

• 667Pa

• 1999Pa

• 200Pa

Calculate the pressure of an object that exerts a force of 10N on a surface of 0.001m²

• 0.1Pa

• 10 000 Pa

• 10Pa

• 100Pa