ADDITIONAL: Force, Mass And Acceleration
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A quiz on the basic points linking Force and Acceleration.
- 1.If an object is moving at a constant velocity, the forces on it are:-
- A.
Unequal
- B.
Resolved
- C.
Forwards
- D.
Balanced
- E.
Opposite
- 2.
- 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
- 3.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
- 4.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
- 5.
- A.
133kg
- B.
28800kg
- C.
80kg
- D.
8000g
- E.
8000kg
- 6.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
- 7.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
- 8.
- A.
720N
- B.
360N
- C.
10N
- D.
2.5N
- E.
0.25N
- 9.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
- 10.
- A.
The forces on her must be balanced
- B.
Her weight must be greater than air resistance
- C.
Her weight must be less than air resistance
- D.
Her speed must be greater than her weight
- E.
Her speed must be less than air resistance
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