Forces & Work done cGCSE

Mark ALL of the forces

• gravity

• energy

• pull

• mass

• push

Which of these is a vector quantity?

• 15 kg

• 100 N

Work done = Force x distance

what is the unit of work?

• Newton

• Joule

• Watt

• Meter

• Kilogram

The diagram shows a box being pulled up the ramp. Which letter represents normal force?

• A

• B

• C

• D

If 10 joules of work are being done.

How much energy is transferred?

• 10 Newtons

• 10 Joules

• 5 Joules

• 5 Newtons

• 20 Joules

Answer explanation

work done = energy transferred

The diagram shows a box being pulled up the ramp. Which letter represents the weight?

• A

• B

• c

• d

• none of them

What force holds the planets in motion around the sun?

• Magnetic attraction

• electrostatic attraction

• Gravitational forces

• Air Resistance

• Magnetic repulsion

Which of these are contact forces?

• a man pulling

• a man pushing

In the diagram, how much is the gravitational force acting on the balloon?

• 5120 N

• 950 N

• 1520 N

• 4050 N

Which sentence best describes the pulling force that the dog is exerting on the lady.

• it is a non-contact force that is not doing any work

• it is a non-contact force that is doing work

• it is a contact force that is doing work

• it is a non-contact force that is doing work