# Additional: Force, Mass And Acceleration

10 Questions  I  By Stephen Carpenter
A quiz on the basic points linking Force and Acceleration.

Changes are done, please start the quiz.

 1 Which of the following does NOT affect the thinking distance of a driver.
 A. Drugs
 B. Alcohol
 C. Fog
 D. Speed of the car
 E. Tiredness
 2 An aircraft of mass 4T gets 16kN of force from the engines. It's acceleration will be:-
 A. 64m/s2
 B. 4000m/s2
 C. 4m/s2
 D. 64000m/s2
 E. 250m/s2
 3 A lorry accelerates at 6m/s2 when the engine provides a resultant force of 48kN. What is the mass of the lorry?
 A. 133kg
 B. 28800kg
 C. 80kg
 D. 8000g
 E. 8000kg
 4 To cause an object that is moving to slow down you must:-
 A. Balance the forces
 B. Apply a resultant force in the direction of motion
 C. Apply a resultant force in the opposite direction to the motion
 D. Apply a resultant force at right angles to the motion
 E. Make sure the forces are in equilibrium
 5 A seatbelt brings a passenger to a stop from 12m/s in just 2s. If the passenger has a mass of 60kg, what is the force exerted by the seatbelt?
 A. 720N
 B. 360N
 C. 10N
 D. 2.5N
 E. 0.25N
 6 If an object is moving at a constant velocity, the forces on it are:-
 A. Unequal
 B. Resolved
 C. Forwards
 D. Balanced
 E. Opposite
 7 If a bicycle and rider of mass 80kg is accelerating at 1.5m/s2 the force pushing it is:-
 A. 0.02N
 B. 81.5N
 C. 120N
 D. 120m
 E. 120kg
 8 If there is a constant resultant force on an object the following will be happening:-
 A. It's acceleration is increasing
 B. It's acceleration is decreasing
 C. It is moving with constant speed
 D. It is moving with constant acceleration
 E. It is stationary
 9 A motorcyclist of mass 250kg accelerates from rest to 20m/s in 4s. What is the force from the engine?
 A. 1250N
 B. 50N
 C. 1000N
 D. 5000N
 E. 20000N
 10 Which of the following conditions have to be true when a parachutist reaches Terminal Velocity
 A. Her speed must be less than air resistance
 B. The forces on her must be balanced
 C. Her weight must be greater than air resistance
 D. Her weight must be less than air resistance
 E. Her speed must be greater than her weight
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